ICUP Proceedings Search

Insecticidal baits are proven effective tactics for domestic cockroach species, but limited information about their use and efficacy exist for outdoor applications targeting peridomestic species. We evaluated three commercial bait products against large populations of Turkestan cockroaches at two pu...

Peridomestic cockroaches require control strategies adopted to their behaviour and habitats. American cockroaches (Periplaneta americana) and Oriental cockroaches (Blatta orientalis) are often found in sewer systems which are appropriate places for insecticide treatments. New advanced paint formulat...

Insecticide resistance in the German cockroach, Blattella germanica (L.), is a significant challenge affecting pest management professionals worldwide. The use of gel baits against German cockroaches has become a popular option in Asia. However, recently, there were anecdotal reports that the field ...

In April 2018, the Vector Control Department of Health Madrid received a communication from a pest control company about an Australian cockroach (Periplaneta australasiae) infestation in a building. After an initial inspection of the affected area, the presence of two foci was detected and entomolog...

Combinations of bait and spray were tested against susceptible and field-collected German cockroaches, Blattella germanica. In exposure tests, residual deposits of all sprays were lethal to a susceptible strain, but pyrethrin and certain pyrethroid sprays were repellent in choice boxes. Indoxacarb b...

Insecticidal baits are one of the most popular tools for controlling cockroaches. They rely on precise label dosage guidelines to achieve control for a varied number of cockroach species. Periplaneta americana can consume high quantities of bait before being incapacitated. This has the potential for...

The residual effect of an insecticide is directly related to its formulation, active ingredient and application rates. The aim of this study was to evaluate the effectiveness of 2 distinct commercial insecticides products against Blattella germanica nymphs during the following six months after their...

Cockroaches are of the great importance in public health. Blattella germanica is the main specie that infests commercial kitchens and industrial kitchens, due to conditions for their development. One of the methods to control B. germanica is the use of insecticides in the gel bait formulation. The o...

The increasing prevalence of the nuisance pest Ctenolepisma longicaudata has demanded an assessment of the tools for control and elimination that are available to the pest control industry. A single application of a commercially available cockroach bait containing 1% Clothianidin at a dose rate of 0...

Suspend PolyZone is an insecticide with a unique formulation that contains a proprietary polymer that allows it to protect the active ingredient from weather, water runoff, and mechanical abrasion. This allows the product to leave behind residues that stay where they are applied and remain active in...

The first step in every integrated pest management strategy is to inspect and identify the target pest. Most people distinguish between ants, cockroaches, mosquitoes and other pests, but lack a basic knowledge of their characteristics. It happens a lot that people are bitten or stung in their homes ...

Bed bug (Cimex lectularius) monitors are effective tools in detecting early infestations and evaluating the results of control programs. Among the monitors, bed bug sticky monitors are not toxic and easy to use. But we observed that that bed bugs were repelled by the contact between the sticky film ...

Cockroaches (Blattodea) are important mechanical vectors for the transmission of many pathogens including bacteria, protozoa, fungi, and viruses, and can contaminate food, water, and affect animals and humans. These pathogens can be carried in different parts of the cockroach body (legs, mouthparts)...

Gel bait treatments are widely used for cockroach control, in part because they are considered to be safer and more effective than other methods. However, commercially available baits are considered to have a limited range over which they can attract and, as a result, fail to lure cockroaches out of...

From 2014 to 2016, in Moscow, Kaluga region, and Ural (Ekaterinburg) we have been monitored the susceptibility of male German cockroaches to topically applying 1μl insecticides of different structure. It was found that all cockroach populations are most resistant to pyrethroid insecticides, especial...

The Public Health Agency of Barcelona (ASPB Catalan acronym) is in charge of the surveillance and control of pests, such as cockroaches, in public areas and sewage system of the City. As in other Mediterranean cities, Periplaneta americana has colonized the sewage system of Barcelona in last years, ...

Urban pest management in Spain, which involves prevention and control, corresponds to the municipalities. The data, key elements and conclusions of a continuous analysis of 10 years of the Madrid Municipality pest control program against sewer system cockroaches (Blatta orientalis and Periplaneta am...

The residual effect of an insecticide is directly related to its formulation, active ingredient and application rates. The aim of this study was to evaluate the effectiveness of 2 distinct commercial insecticides products against Blattella germanica and Periplaneta americana during the following six...

Periplaneta americana and Blattella germanica are pests of great importance in urban areas, mainly due to their role as vectors of pathogens and capability of causing allergies. The interspecific differences between these cockroaches can lead to different results in their control. No chemical (liqui...

The German cockroach, Blattella germanica (L.) is an important urban insect pest world-wide. Heavy reliance and frequent usage of residual insecticides have led to the development of insecticide resistance in the German cockroach. Bait formulations containing fipronil and indoxacarb are excellent re...

The control in the field of insect large geographical distribution as Periplaneta americana species, that is a mechanical vector of several pathogens to man, may be affected by genetic variability among their populations. They can be segregating, resulting in differences in susceptibility to the con...

The applicability of entomopathogenic fungi for Periplaneta americana’s control in urban sewage is still not well studied, even though its importance as an urban pest capable of disease dissemination being a constant. Females have an important role on dissemination of the species due to their ovipos...

The control of Blattella germanica represents a major challenge for Brazilian PCOs (Pest Control Operators), due to their great capacity for reproduction and dispersal on tropical weather environments. Several gel bait insecticides have been developed and sold in Brazil, during the past few years, f...

This poster will report on development of a new cockroach gel bait formulation based on the active ingredient clothianidin. We will review research conducted to establish a minimum effective concentration for clothianidin in the formulation that is necessary to kill cockroaches. A series of trials w...

We report the results achieved in laboratory tests conducted to compare the efficacy and the attractiveness of commercial gel formulations, containing abamectin, fipronil, indoxacarb, acetamiprid and imidacloprid, for the control of nymphs and adults of cockroaches. The tests were replicated 4 times...

This study was conducted to evaluate effectiveness of educational programs on individual knowledge of occupants and sanitation rate. The study’s locations comprised three buildings in the South West of Iran. The educational program was initiated by putting up posters, handing out pamphlets, face to ...

The oriental cockroach (Blatta orientalis) occurs in several buildings of two different blocks in the city of Zürich. Pest control companies were unable to control the infestation, and reported cockroaches in the backyards of these blocks during the warmer periods of the year. The Urban Pest Advisor...

Cyantraniliprole is a novel insecticide that belongs to the anthranilic diamide class of insecticides. The novel mode of action of cyantraniliprole depletes calcium from insect muscle, affecting muscle contraction, causing paralysis and eventually death. We report the results of testing of two formu...

In this study, we examined the resistance status of six field-collected strains from Singapore to eight insecticides, as well as the resistance of the parental through F5 generations after they were selected with indoxacarb bait. All strains showed no resistance to acetamiprid (0.7–1.9x), imidaclopr...

The control of the German cockroach Blattella germanica is a major challenge for Brazilian pest control operators (PCOs) due to their great capacity for reproduction and dispersal. The study described aimed to evaluate the efficacy of the insecticide Thiamethoxam (Optigard LT® 25% – Wettable Granule...

Health Madrid as the municipal health administration of the City Council of Madrid (Environmental Health) manages pest prevention and control operations. Feral pigeons have increased during the last decades as one of the most frequent pest problems in Madrid City. The pest control sector, as almost ...

Of the techniques used by pest control operators to control synanthropic cryptic insects and other arthropods such as German cockroaches, ants, bedbugs, and scorpions, the application of insecticides directly into cracks is one of the most commonly used methods. Three pesticide application equipment...

Entomopathogens have been used in many agricultural and veterinary programs of pest control. Studies with fungi have shown great potential for control of urban pests, such as cockroaches, but there are few studies on the subject. Thus, the aim of this study was to investigate the pathogenicity of en...

An important aspect to consider in biological pest control is the formulation of biopesticides, since it may interfere with the effectiveness of the control target. The aim of this study was to evaluate the kinetics of surface tension and contact angle of droplets formed in suspensions of Metarhiziu...

Heat treatment has been used to control stored food pests, bed bugs, cockroaches, and other household pests, and structural timber and wood pallets. The energy requirements for treating different materials, spaces, and timber require careful attention to maintaining a heat regimen and training of ap...

Global warming together with global trade and tourism gives foreign organisms a lot of opportunities to enter Europe and to find suitable habitats to establish. Many of these species already have a status as pests in their native countries and now start to be of major concern in Europe. A survey is ...

Periplaneta americana is broadly accepted as the major insect pest in the sewage systems of Spain. The environmental conditions of our country, especially in eastern and southern regions, let the populations of this insect develop to enormous numbers with the risk to become a sanitary problem. Commo...

The German cockroach (Blattella germanica) is host for several parasites. Due to the high population density in laboratory cultures of cockroaches, transmission rates of parasites as well as parasite prevalence can also be high. Cockroaches are important test organisms for efficacy testing of insect...

This research was conducted to determine biological activity of Phantom SC (chlorfenapyr) on wood, concrete, and vinyl surfaces. The experimental design was a 3 x 3 x 3 factorial (3 treatments, 3 surfaces, and 3 insect-pests). Each experimental unit consisted of a rigid-plastic cage (109 x 49.5 x 17...

Blattella germanica is considered one of the main pests found in commercial shops mainly foodstuff. Excessive use of insecticides, flaws in the applications of pyrethroid group insecticides, and failure on rotation of chemical groups, result in selection of resistant cockroaches populations, which i...

Control of adult roaches is usually not problematic as those life cycle stages are actively exploring the habitat for food sources. Nymphs are less mobile and therefore less likely to access a bait spot directly. Natural occurring populations of German cockroach (Blattella germanica L.) show a relat...

Gel baits are easy to incorporate in pest management programs because they present properties like low toxicity, less environmental risk than sprays, easy handling and proved effectivity. Active ingredients, Fipronil and Imidacloprid, act through ingestion and contact as neurotoxics. Fipronil, a phe...

The cockroach Blattela germanica (L. 1767) is the most important synanthropic specie to develop high populations in habitations. This study has evaluated the mortality of B. germanica exposed to different treated areas in equivalent amount of insecticides to verify the mortality caused by pesticides...

The Asian cockroach, Blattella asahinai (Mizukubo) was first described in 1981 from Okinawa, Japan (Mizukubo, 1981), and introduced into the state of Florida, USA in 1986. By 2007 B. asahinai was established in the states of Alabama, Georgia and Texas, USA. B. asahinai is a peridomestic pest which b...

Blattella germanica is one of the most important urban pests in households, restaurants, storehouses, hospitals, supermarkets and food industries. The aim of this work was to evaluate lambdacyhalothrin residual (dose of 2,5mL/L water- Demand 10 CS) on surfaces of tiles, polished green slates and cem...

The Urban Pest Advisory Service (UPAS) is responsible for urban pests in the city of Zurich, Switzerland. We advise approximately 2’000 people per year who have questions or problems regarding arthropods and their control, we survey the pest situation in the city and control rats in public areas. Si...

Blattella germanica is a very important pest in homes, food service establishments and other structures in São Paulo city. The roach bait control is usually recommended. The aim this work was to evaluate the minimal dose of different active ingredients in bait commercial gel to B. germanica control....

The presence of Tityus serrulatus scorpion in an urban environment presents a threat to the population, correlated to high population density and reflected on registered accidents. In difficult access areas as drainpipe and sewage system pulverization techniques has shown undesirable results. We pro...

Hospitals play an important role within a healthcare setting. The presence of arthropods in hospitals, like spiders, mites, bedbugs, mosquitoes, beetles, cockroaches, flies and ants, was reported in many studies. Besides its great epidemiological relevance, the presence of culicines that are potenti...

Pesticides are applied in residences, schools, hospitals and other edifications to control urban pests as cockroaches, ants, fleas, flies and termites. The use of these products in indoor environment can result in exposure of children and pets to particles in the air or adhered to the floor, carpets...

The growing urbanization process lead some organisms to rapidly set in the urban environment. These species, called synanthropic, can act as mechanical or biological vectors of microorganisms, and their occurrence represents a serious health risk. In Brazil, ants and cockroaches are the organisms mo...

Optimisation of performance of dry flowable powder formulations for control of crawling insect pests is known to involve control of particle size and effective distribution of active ingredient. Enhanced pick-up by the insect cuticle has been demonstrated through use of powder bearing an electrostat...

Innovation means many things to many people and some definitions that may be considered as representative, particularly with respect to public health pest control include “The act of introducing something new”, “a creation (a new device or process) resulting from study and experimentation” and “gene...

Chronic cockroach infestations, high cockroach allergen levels, and repeated insecticide use is a serious health concern among low-income residents living in multi-family housing. Surveys in 358 randomly selected apartments in Gary, Indiana in 2006 revealed that 30% of the apartments were infested w...

The entomopathogenic fungus Beauveria bassiana Vuillemin 1912 and Metarhizium anisopliae (Metschnikoff) Sorokin 1976 were tested against Periplaneta americana cockroach under laboratory conditions (1.1 x 106 conidia/cockroach, 24 ± 2°C and 50 ± 10% RH). The isolates tested against nymphs and adults ...

Dénia (Alicante, Spain) is a middle size city located at the southeastern of the Iberian Peninsula, equidistant between the cities of Alicante and Valencia. It is close to Cape of San Antonio which is the nearest Peninsular point to the Balearic Islands. It has a temperate climate, typically Mediter...

Imidacloprid, acetamiprid, thiamethoxam and thiacloprid have the same mode of action. They are agonists the nicotinic acethylcholine receptor, affecting the synapses in the insect central nervous system. These insecticides are gaining widespread use for controlling urban insect pests in Russia. Four...

Modern bait formulations have been used successfully to control infestations of the German cockroach, Blattella germanica (L.) since the mid 1980s. Because of the slow-acting insecticides used in most bait formulations, unmetabolized insecticide may be excreted in the feces and oral secretions, and ...

A fipronil SC formulation was evaluated against a multi-resistant population of Blattella germanica. The test site was an eight-story apartment building, with 150 individual apartments in Neratovice, Central Bohemia, Czech Republic. Conditions in the apartments included general disorder and an abund...

Although there exists many studies that analyze the effectiveness of the insecticides on cockroaches in conditions of laboratory, those that study their effectiveness in sewers are less abundant. The aim of the study whose results are presented is the analysis of the effectiveness and persistence of...

Secondary kill of the German cockroach, Blattella germanica (L)., by baits was reported to increase the overall control efficacy of bait products. However, most studies have been based on laboratory strains and small nymphs. We compared the secondary kill of four cockroach gel baits against various ...

German cockroach is the most common pest of urban, low-income housing and is associated with high pesticide use by residents. Cockroach allergen is implicated in asthma exacerbation and initiation and in the growing social and medical aspects of the disease. A safe and secure home environment is an ...

The Asian cockroach, Mizukubo, was discovered in large numbers in southeast Alabama in 2003. We surveyed southern Alabama and Georgia to determine the distribution of this species. We found that was established in 7 counties in Georgia and 8 counties in Alabama. Basic ecology and behavior studies we...

The growing concern of consumers about the use of traditional insecticides has increased need for development of safe, effective, and natural insecticides and repellents. Plant extracts containing essential oils have been used for centuries to kill and repel a variety of insect pests including cockr...

Natural pyrethrum and its synthetic analogues are among the most widely used insecticides in medical, veterinary and agricultural use. Low application rates, rapid knock-down and kill, range of duration of activity and good mammalian safety profile make them an active of choice in most domestic appl...

The Urban Pest Advisory Service (UPAS) is responsible for urban pests in the city of Zurich, Switzerland. We give approximately 2,000 consultations per year concerning pests and their control, survey the pest situation in the city and control rats in public areas. We present data on the temporal cha...

Dietary carbohydrates, lipids, and proteins constitute the nutrient reserves for the American cockroach, Periplaneta americana. Adults collected from an urban population were evaluated by their body weight and for their storage and utilization of metabolic reserves. Mean dry body weight of females c...

Structural fumigation for household nuisance pests, like cockroaches or ants, is generally considered to be prohibitively expensive. However, for pests that are of public health importance, fumigation may be a more viable option than previously thought. Infestations of the bed bug, Cimex lectularius...

American cockroaches, Periplaneta americana (L.), left undisturbed, often develop to enormous numbers and become major pests in sanitary sewers throughout much of the world. They are also domiciliary pests in many places, especially in southeast Asia. Moving from sewers, they often invade surroundin...

As a result of the rapid rate of urbanization in Botswana, street food vending has become very popular as it supports a large number of the population with affordable, nutritious foods. There has been an associated increase in the number of cockroaches around vending sites in the streets. Cockroache...

Shape and characteristics in five domiciliary cockroach-feces Feces of domiciliary cockroaches often contaminate food or medicine packages. The presence of feces in foraging places is evidence of a cockroach infestation. The shape and other characteristics of feces differ among species. When they fe...

Cockroaches are one of the most significant risks to public health. They carry some diseases such as gastroenteritis, typhoid, diarrhea, dysentery, poliomyelitis and salmonella. They may also play an important role in asthma. Certain proteins which act as allergens in waste products and saliva of co...

The toxicity of granular ant bait formulations containing abamectin B1, orthoboric acid, or propoxur was evaluated in a series of laboratory experiments against American, Periplaneta americana (L.), and German, Blattella germanica (L.), cockroaches. LT50 values for American cockroaches ranged from &...

The current study, in three methods, topical application, surface contact (WHO glass jar) method and toxic baits, was designed to investigate the relationship between permethrin German cockroach (Blattella germanica (L.)) resistant strains and fipronil. Twelve German cockroach strains used in this s...

Bait consumption is a complex interaction of behaviors and physiology / biochemistry mechanisms. It starts with a single premise that the response to a shortage or an impending shortage of nutrients required for maintenance, growth and development. Shortages may be acute such as a daily requirement,...

Behavior is modulated by both learned and innate factors, and the heritability of behavior has been documented in several arthropod taxa. Certain behaviors have evolved following selection with toxicants. One such behavior that is adaptive to the German cockroach is glucose aversion, which is contro...

The German cockroach is the most common cockroach found indoors, such as hospitals, homes, restaurants, etc. In hospitals, because of the presence of adequate food and living environment, they can develop into large population and live throughout the buildings. They can contaminate food with differe...

Indoxacarb, with a novel mode of action, is in a new class of chemistry called Oxadiazines. The compound was registered in the United States in 1999 for agricultural uses and Dupont Professional Products is developing the compound for new uses in the Structural Pest Control industry. One of the firs...

Physiological factors related to bait aversion in the German cockroach, Blattella germanica (L.), were investigated in a series of laboratory experiments. We compared the metabolic rates, respiration patterns, and taste receptor perceptions of control and bait averse German cockroaches. Both strains...

Bait aversion has recently resurfaced, approximately six to ten years after the first known case of bait aversion (glucose aversion) was corrected. Anecdotal reports from Pest Management Professionals have indicated poor acceptance and control failures on commercial cockroach gel baits since late 19...

Commercial gel bait formulations, including two new formulations of indoxacarb (0.6% AI; RG2V3 and DPX411), were evaluated for efficacy against a "bait averse" strain of German cockroaches (Saginaw strain). Bait consumption and subsequent mortality of the Saginaw cockroaches were compared with that ...

Neonicotinoids imidacloprid and thiamethoxam share a common mode of action. They are agonist of the nicotinic acetylcholine receptor, affecting the synapses in the central nervous system. These insecticides are gaining widespread use for controlling urban insect pests in Russia. They are insecticide...

Three experimental gel matrices containing indoxacarb and three market-leading Maxforce gels containing either fipronil or hydramethylnon were evaluated and the roles of active ingredients and bait bases in the bait performance were examined against both lab susceptible and bait averse strains of Ge...

Bait aversion is a behavioral avoidance phenomenon, whereupon some naturally and/or artificially (e.g. toxic baits) selected Blattella germanica genotypes become less responsive to or completely avoid certain phagostimulatory food ingredients. Cases of avoidance behaviors, including associative lear...

The German cockroach, Blattella germanica (L.) and the Smooth cockroach, Symploce pallens (Stephens) are important cosmopolitan household pests which infest hotels, restaurants and apartments. Coprophagy is defined as the behavior of fecal consumption. It plays an important role in providing nutrien...

Although there are few cockroaches in newly built or insecticide-treated buildings or houses, they enter from outside, increase in number and spread out widely as time goes by. To elucidate how German cockroaches distribute widely in such places, we previously investigated their horizontal movement ...

Insecticide resistance in insects is a well-documented phenomenon that is equally related to toxicology and evolutionary biology. Insecticide resistance in the German cockroach has a long history dating back over 60 years. Thus, the recent evolution of gel bait aversion resistance is but one example...

Five insecticide bait formulations have been evaluated for their attractiveness to adults of Brown-banded Cockroach, Supella longipalpa (F.) in laboratory trials. The gel formulations contained one of the following active ingredients (a.i.): hydramethylnon, imidacloprid, fipronil. Tests were carried...

he biological activities of permethrin and deltamethrin silica mixtures were studied. The effect of silica mixture depended on insect sex and age, type of insecticide and the amounts of insecticide added to the silica. Only a very low amount of deltamethrin added to silica 0.1 mg/g gave KD50 or KD95...

Metaflumizone (proposed common name) is a high performance insecticide submitted for crop registration approval in the USA in 2004. Other key country registration submissions are expected to follow the USA application.Toxicological and environmental studies indicate that there is low risk to applica...

This study was carried out to determine the composition, distribution and abundance of arthropod fauna of an urban waste treatment plant near Milan, Italy, in order to identify some potential biological control agents for Diptera Muscidae. For five months, from June to October 2004, the arthropod fa...

Pesticides and their use are regulated on both federal and state levels in the Unites States. A federal registration for a pesticide product must be obtained after the product has shown that it is safe to use according to the guidelines set forth by the United States Environmental Protection Agency ...

The high level of resistance to organophosphate and pyrethroid insecticides by German cockroaches is due to multiple factors, including the scheduled use of them, and isolated populations. Resistance in field populations have been observed in some Mexican strains, in which control failure with cyper...

Insecticidal activities of noviflumuron formulated as dust, gel, and suspension concentrate (SC) were evaluated against the German cockroach, Blattella germanica (L.), in the laboratory and in apartments. In laboratory studies conducted in large cockroach arenas (1 m2 boxes), population reductions a...

The use of baits for the control of cockroaches in homes is now commonplace. To date, most bait studies have focused on the German cockroach, Blattella germanica (L). However, in many parts of the world, especially the tropics, the American cockroach,Periplaneta americana(L), is a more common pest. ...

Experimental gel and powder bait formulations containing 0.25, 0.5, and 1.0% Indoxacarb were evaluated in a series of laboratory and field studies against the German cockroach,Blattella germanica (L.). Mortality was first determined in 18 by 31 by 10 cm plastic boxes with loosely fitting covers. Twe...

Field studies were conducted to compare the performance of a new formulation of Goliath® cockroach gel (0.3g/kg fipronil) to a range of other commercial cockroach gels. These were carried out in Sydney, NSW, Australia, against German cockroach, Blattella germanica (L), and in Cairns, Queensland, Aus...

Laboratory trials were done describing the primary and secondary kill ofBlattella germanica (L.) in response to MaxForce Gold, a new 0.03% AI fipronil-based cockroach bait. In bioassays measuring primary kill, MaxForce Gold at 0.1 g product/m2 caused ca. 90% mortality (14 DAT) of adult males and fem...

German cockroach, Blattella germanica (L.), catch by five types of traps and modifications of each for a total of 15 different treatments, were tested under controlled laboratory conditions. Multivariate analysis of variance (MANOVA) was used to detect differences among traps. The response variables...

The objective of the research presented here was to evaluate the impact of the introduction of a toxic food bait on foraging choice by the German cockroach, Blattella germanica (L.). This was done by analysing the importance of learning visual cues associated with feeding sites and the importance of...

Field strain male German cockroaches,Blattella germanica (L.), considered “resistant” to fipronil by standard topical application methodology, were found to readily consume a novel 0.03% fipronil gel bait and succumb. Although a simple method, valid for contact sprays or residual deposits, topical a...

Most manufacturers warn applicators to avoid contaminating cockroach baits with conventional aerosol or liquid insecticides. However, at least one study has concluded that small amounts of insecticides do not affect bait performance. In this study we use mint oil, a relatively nontoxic — yet highly ...

The German cockroach, Blattella germanica (L.), is the most important cockroach pest in Russia. After WW II, the use of inorganic compounds — such as boric acid, sodium fluoride, and arsenic — for cockroach control decreased, and the use of organic insecticides — such as organochlorines, organophosp...

Speed of control in cockroach field trials with bait products often seems to vary inexplicably by region. An investigation was run on a variety of field strains to determine whether temperature and strain differences are factors involved in speed of performance. Regional strains from a variety of so...

The processes by which insects acquire toxic doses of the microencapsulated formulation of lambda-cyhalothrin (Demand CS) were studied using the German cockroach, Blattella germanica (L.). Cockroaches exposed to treated substrates acquired toxic doses of the insecticide rapidly, and HPLC analysis of...

Two aerosol insecticide compositions were investigated in laboratory conditions against a complex of synanthropic insects. Both compositions have high acute insecticidal activity and have a long residual effect on glass, but not on plywood. It is shown that the knockdown effect was reversible on ply...

A complex of synanthropic arthropoda that inhabit a variety of rural and urban localities is systemized depending on the different parameters. These include the type of harm caused by arthropoda to people, including: arthropoda that are vectors and agents of infectious diseases; arthropoda that caus...

For more than 2 years, Bayer Corporation has worked with researchers and industry professionals to develop imidacloprid ant baits. Ant bait development has involved the input of many groups including research, marketing, formulation development, regulatory, packaging, and manufacturing. Imidacloprid...

Pest status of household and structural pests is based primarily on their persistence in the urban environment. Persistence of pest populations is determined by availability of reservoir habitats that harbor large and stable populations, which supply individuals to maintain small, local infestations...

This study compares statistical methodologies for the detection of low levels of insecticide resistance in the German cockroach. Results show that logistic regression and resistance ratios are relatively ineffective in distinguishing modest differences between strains, whether dose-mortality or time...

Hexaflumuron is a chitin synthesis inhibitor registered in the United States solely as a termite bait active ingredient. A benzoylphenyl urea insect growth regulator, with the proposed common name of noviflumuron, is being developed by Dow AgroSciences for use as the active ingredient in a termite b...

Questionnaire-based surveys of homeowners revealed that ants were the most economically important and abundant household pest after mosquitoes and cockroaches in Malaysia. Twenty-five species of ants were found indoors and outside buildings; all species nest outdoors except Monomorium pharaonis, Mon...

Combining methods for cockroach control is often prevented by the perception that gel baits are easily contaminated by other insecticides. The objectives were to determine the ability of liquid and dust insecticides to contaminate a cockroach control bait. A gel bait (Maxforce, 2.15% hydramethylnon)...

Preliminary studies in experimental structures at Agricultural Research Service in Gainesville resulted in the development of a rabbit-anti-cockroach polyclonal ELISA inhibition system for assessing spatial distribution of cockroach antigens for subsequent mitigation interventions. The system was te...

German cockroach Blattella germanica (L.) is in Western Siberia distributed everywhere. In old towns with numerous buildings of late XIX - early XX century limited distribution has Oriental cockroach Blatta orientalis (L.). In past several years it is discovered some expansion of the species: number...

A modified Ebeling choice box was designed to evaluate the repellency of moving ambient air to American, Periplaneta americana (L.), German, Blattella germanica (L.), and smokybrown, Periplaneta fuliginosa (Serville), cockroaches using air velocities of 0 - 4.75 m/s. The modified choice box tested t...

An experimental 2.15% imidacloprid-based gel bait containing »44% water was evaluated in laboratory and field studies against the German cockroach, Blattella germanica (L.). In continuous exposure tests, toxicity and presumably bait consumption varied with cockroach stage, deprivation of competitive...

Control of cockroach populations in urban environments is now very often performed with insecticides presented in food bait formulations. To be efficient, food baits must attract pests so that contact is made with the active substance and/or that it is ingested. Food baits may be less efficient for ...

Cockroaches could represent one of the most important hygienic problems, since they can contaminate food with bacteria, transmit diseases and cause human allergies. For this reason, urban governments and food industries devote part of their balance to cover the cost of their control. One of the firs...

Field studies were conducted to compare the performance of Goliath® Cockroach Gel (fipronil) and a spray treatment of Cislin Residual Insecticide® (deltamethrin). These were carried out in Sydney, NSW, Australia against Blattella germanica (L), and Townsville, Queensland, against a mixed population ...

At 27 °C and 45% r.h., the Australian cockroach Periplaneta australasiae (L.) developed to adulthood in an average of 113 days for males and 121 days for females. Developmental times were longer for cockroaches in smaller groups, at 155 days for females and 152 days for males, than cockroaches in la...

Rapid detection of American cockroaches by traps baited with Periplanone B, a synthetic sex pheromone of the American cockroach, was conducted in three sub-tropical cities, Okinawa (Japan), Taipei (Taiwan), and Honolulu (USA), and in a laboratory in Shizuoka, Japan. One night trapping with Periplano...

German cockroaches occur in habitats that are generally warm and moist, and such abiotic conditions are also favorable for infection with entomopathogenic fungi. There is an increasing interest for the use of entomopathogens, particularly entomopathogenic fungi, for suppression of insect pests. We h...

Many synanthropic species of insects occur in households and other domestic situations. Some of these pests are very well known to inhabitants, e.g. ants, silverfish or cockroaches. While small insects, such as psocids, are often overlooked. Synanthropic species of psocids (especially from the gener...

Imidacloprid belongs to a new group of insecticides, the chlorinated nicotine derivatives. It has been shown to have activity against a range of pests including termites, aphids, fleas, beetles and thrips. A gel formulation has been developed for use against cockroaches and this study examined the e...

Following the failure of some applications against German cockroaches (Blattella germanica) in France, questions have been raised as to the role, and level, that insecticide resistance may have played in these failures. To answer the question , samples of cockroaches were collected from two sites in...

Swine production is an important component of North Carolina’s agricultural economy. Cockroaches have long been recognized as important pests in swine production and severe infestations may contribute significantly to disease maintenance and transmission. However, management of cockroach populations...

Cockroaches are common pests in urban environments around the world. A tremendous amount of papers have appeared on the behaviour of cockroaches. However, the details of their behaviour have not been completely clarified. We have already investigated the nocturnal behaviour of the German cockroach, ...

Necrophagy was shown to provide efficient transfer of fipronil toxicity from poisoned oriental cockroach (Blatta orientalis(L.)) cadavers to groups of untreated cockroaches in laboratory experiments. Adult females poisoned with Goliath gel deposits of 0.1 - 40 mg 0.05% w/w a.i. formulation were indi...

Numerous studies have shown that German cockroaches, Blattella germanica (L.), are often resistant to insecticides in settings where insecticides have been used extensively in the past. We have now examined resistance in German cockroaches collected in homes in which insecticide usage has been minim...

Over the last decade there has been a steady growth in the use of insecticidal baits to control cockroaches, particularly since the development of slow-acting, non-repellent compounds such as hydramethylnon and, most recently, fipronil. These baits have become increasingly popular for a number of re...

The long-term management of a population of Australian cockroaches, Periplaneta australasiae, causing serious damage to valuable plant species in a United Kingdom tropical plant house, was achieved using a juvenile hormone analogue. (S)-hydroprene was applied as a ULV cold mist every three or four m...

Residual performance of a pyrethroid/chitin synthesis inhibitor (alpha-cypermethrin/flufenoxuron) suspension concentrate formulation on plywood panels against German cockroaches was examined in the laboratory for up to 6 months of aging using three evaluation methods (forced-contact, self-contact an...

The application of conventional insecticides within the confines of a secure establishment in a safe manner can cause many logistical and managerial problems. Therefore, alternative methods of insecticide applications have to be sought. The advent of insecticidal gels with varying modes of action gi...

Resistance to pyrethroid insecticides has become common in field populations of the German cockroach, Blattella germanica (L.), in the United States and elsewhere. Some populations are highly resistant to as many as eight or nine pyrethroids. The primary mechanisms of resistance are enzymatic degrad...

The present investigation demonstrates the effect of a single treatment with a chitin synthesis inhibitor (lufenuron) on small, medium and large nymphs as well as adults of the German cockroach, Blattella germanica (L.). The trial was conducted as a long-term field study in three mass food producing...

The Urban Pest Advisory Service with three part-time employees is responsible for the hygienic aspects concerning urban pests in the city of Zurich, Switzerland. The city has a surface of 9,200 hectares and 360,000 inhabitants. The main fields of work are the following: 1. to give advice to the publ...

Secondary mortality occurs when foragers (e.g., adult males and females) feed on or contact an insecticide, return to the aggregation, and translocate the insecticide to the shelter and its vicinity. Relatively more sedentary stages of the population then contact or eat the translocated insecticide ...

The aim of this study was to investigate food bait preference in Blattella germanica (L.) cockroaches in relation to age and to compare their feeding preferences in several choice situations. Food choice presents two components: attractiveness measured by food type eaten first and feeding stimulatio...

Though much is known about cockroach baiting systems, that knowledge is highly compart-mentalised, reducing its utility. We advocate an integrated approach to the study of cockroach baiting, which focuses on the interactions among various food components, and readily integrates across behavioural, p...

The utility of fipronil and perhaps other phenylpyrazoles for German cockroach, Blattella germanica, control may be affected by resistance to cyclodienes in field populations, because of cross resistance between these two classes of insecticides. Field populations of B. germanica were sampled for th...

German cockroaches, Blattella germanica (L.), live in aggregates and are able to return to their resting sites. Stability of aggregates is ensured both by individual navigation abilities and by conspecific recognition. Naviga tion capacities (estimated by orientation angle of escape direction and by...

The regular and effective control of some synanthropic crawling insects as cockroaches and ants is unavoidable but due to the requirements of human health and environment protection, their elimination needs new concepts and methods. Cockroaches, first of all the German cockroach Blattella germanica ...

Lithium perfluorooctanesulfonate (LPOS, proposed common name SulfotineTM) is an isomeric mixture containing approximately 70% of the linear isomer and 30% branched isomers. Molecular formula for LPOS is C8F17LiO3S, and acute oral LD50 is greater than 5,000 mg/kg. LPOS exhibits promising oral toxicit...

The past few years have seen an unprecedented interest in indoor air quality, driven in part by unexplained increases in asthma throughout the world. According to the American Academy of Allergy, Asthma, and Immunology, allergic rhinitis affects more than 40 million people yearly in the US, resultin...

Insecticide resistance problems have been recognised as an increasing problem in Europe as a consequence of both the accumulation of resistance mechanisms by some species and the greater diversity of arthropods becoming a pest problem. Arthropods of particular concern include public health and lives...

The Pharaoh’s ant Monomorium pharaonis (L.) (Hymenoptera: Formicidae) is a widespread urban pest, being most common in large, heated buildings. Fipronil is a novel phenyl-pyrazole insecticide, effective against insects of urban importance including termites and cockroaches, being active by both oral...

Demand CS® (lambda-cyhalothrin) has been designed specifically for use in urban pest management. The product is based on microencapsulation technology which encloses the liquid active ingredient in a polymer shell to provide protection against hostile environmental conditions. Electron microscopy an...

Control of insects by the consumer, within the home and around the perimeter to prevent pest invasion requires products that have certain key features. These include fast action, extended activity, low/no odor, no marking/staining of surfaces, and convenience of application. Current products that ar...

Twenty three strains of field populations of the German cockroach, Blattella germanica (L.) collected from hotels and restaurants from various localities in peninsular Malaysia were tested for their susceptibility to commonly used insecticides (propoxur, bendiocarb, chlorpyrifos, fenitrothion, pirim...

The history of natural and synthetic bioanalogues of insect juvenile hormone (JH), juvenoids is more than 40 years old. The first JH-active lipid extracts prepared from the cecropia moths in 1956. The first JH-active was an isoprenoid farnesol isolated in 1961, then “pseudojuvenilizing” or JH-mimeti...

Cockroach allergen (Bla g 1) content was determined in floordust of 46 homes with a recent cockroach extermination in Amsterdam. IgE antibodies to Blattella germanica were determined in venous blood samples of 46 children (4-12 years) and one of their biological parents (24-54 years). Specific IgE t...

The current situation concerning cockroach (Blattella germanica (L.)) presence and insecticide control was investigated in high-rise blocks of low-income flats in the French city of Rennes. The aim of this study was to analyse the results of professional cockroach insecticide treatments and to try t...

Field and laboratory studies were initiated in 1993 to investigate the effect(s) of specific insecticide use strategies on resistant populations of German cockroach, Blattella germanica. Infestation levels were monitored using sticky traps, and these data formed the basis for the estimates of treatm...

Chronic, unacceptable, insecticide resistant German cockroach (Elartella germanica) populations exist in some of the U.S. Army's food service facilities We have conducted field trials using heat to control German cockroaches in food service facilities. The process used involved: caulking holes in wa...

Several issues were addressed which were thought to impact the performance of cockroach baits. These included responses to bait matrices such as speed-of-action, indirect toxicant uptake, physiological and behavioral resistance, and associative learning. Bait application approaches were also conside...

Four simulated domestic environments were each infested with mixed populations (3,300 insects) of German cockroaches (Blattella germanica). The simulated domestic environments (containers) were maintained at 25°C and 45% r.h. and cockroaches were fed and watered ad lib. After an acclimation period o...

Cockroaches settling down in various sanitary trade institutions, industrial establishments as well as in residential buildings may spread potential infectious diseases and allergy or - through their disgust provoking effect - may disturb people living or working there. As a consequence, regular con...

A betacyfluthrin SC containing 12.5% active ingredient was introduced to the pest control market (Responsar SCm). Applications by pest control professionals have shown good efficacy against Blattella germanica. On porous surfaces the particles stay more on the surface and are not so readily absorbed...

Inter-strain variation of German cockroaches in response to several commercial baits and their potential to develop resistance to the baits was investigated. Late instars were given a choice between the bait and an alternate food source (dog chow). Survivors were saved and choice tests repeated. Tes...

A formulation consisting of the pyrethroid insecticide alphacypermethrin and flufenoxuron, an acylurea insect growth regulator, has been shown to give effective and persistent control of cockroach infestations after a single treatment. Flufenoxuron is a new high performance residual insecticide for ...

Cockroaches require relatively warm conditions and in the UK are mainly confined to buildings. These insects are capable of carrying food-poisoning bacteria and causing allergies. To avoid these adverse health effects the risk of cockroach infestations in buildings needs to be minimised. This paper ...

The antennal grooming behavior in Blattella germanica (L.), involves the coordinated use of the foreleg tibia and tarsus, and the mouthparts. The foreleg opposite the antenna is used to bend the flagellum to the mouthparts, after which it is pulled through the labium and maxillum by the resilience o...

Pest control in urban environment can be carried out either sporadically or in a concentrated way, covering large areas. The efficacy of organized pest control programs comprising large parts of cities or even whole cities is far higher than the success of separate control works done by individual m...

Silica dusts with different physical properties were tested against the German cockroach Blattella germanica. The dusts varied in their effects on cockroach mortality according to their physical properties. Oil adsorption, pore volume and surface area were the most important characteristics while pa...

LT5Os and LT95s were determined at 28°C for adult female Blatta orientalis over deposit concentrations varying from 15-200 mg A1 m-' on a plywood surface treated with a WP formulation of cypermethrin. Mortality was determined 3 days following removal from the deposits. Regression equations for these...

The control of a population of Australian cockroaches, Periplaneta australasiae, causing serious damage to valuable plant species in a UK tropical plant house, was attempted using a combination of trapping and spraying with an insect growth regulator. After determining the degree and extent of infes...

Containerised insecticide bait products offer considerable advantages for control of urban crawling insect pests. However the differences in insecticide susceptibility and food preference between some pest species have resulted in a diversity of commercial bait products, each targeted at specific in...

Records from a two year period from over 24,000 dwellings in the London Borough of Southwark were examined and infestations of German cockroaches, recorded by inspection and trapping, were analysed. Factors identified as possibly influencing infestation levels were block size and type of heating sys...

Aspects of the feeding preferences and behavior patterns of cockroaches, and the influence of environmental factors such as the delivery system may contribute to the efficacy of toxic baits for cockroach control. The research objectives were to evaluate the influence of bait stations on the feeding ...

In the European Union and the USA allergens of arthropods comprise a rising health problem. Atopic diseases resulting from insect or mite exposure cost several hundreds of millions British pounds per European country per year. This article is devoted to major sources of inhalant arthropod allergens,...

The Chitin Synthesis Inhibitor, triflumuron, has great potential for the control of German cockroach, Blattella germanica (L). Field trails were carried out to evaluate its efficacy in combination with a short residual, conventional, insecticide DDVP, and when used alone. The insecticides were appli...

In a field population (RHA, Roanoke VA, USA) of Blattella germanica a decline in the efficacy of hydramethlynon has been documented for eight years. In 1987 >85% reduction of apartment infestations was achieved 4 wk after application, in 1990 reduction declined to 73%, and in 1995 reduction declined...

Five representative types of bakeries were surveyed in the city of Riyadh, K.S.A. to ascertain pest situations and various schemes on pest control management. The principal pests include stored product pests (e.g., Tribolium confusum Duval, Tribolium castaneum (Hbst.), Mus musculus and Rattus rattus...

A new type of bait has been developed, aimed at control of pest insects, and tested successfully on the model insect Blattella germanica (L.) - the German cockroach. The active ingredient, termed a nutritional metabolism disrupter (NMD), is a non-toxic composition of the compounds oxypurinol and xan...

The current world-wide status of research into urban entomology is reviewed. Data were collected by a mailed survey, and telephone or e-mail interviews. Data are incomplete, but some trends do emerge. Most research in urban entomology has an applied orientation. Personnel in most research facilities...

Microbial (bio) insecticides are products based on living micro-organisms which are pathogenic to insects. These micro-organisms have a long history of study and are considered to have great potential as pest control agents. However. in the past research has concentrated on pests of agriculture and,...

Anoxia resulting from contained atmospheres of ~ 0 .1 % oxygen (1,000 ppm) was lethal to all stadia of a variety of insect pests commonly encountered in museums and other sensitive areas. Low % 02 in a closed system was achieved and maintained by displacement with gaseous nitrogen. The effect of ano...

Patented Film Forming Aqueous Spray Technology or 'FFAST' has been used to develop AquaPy, a water based product containing synergised pyrethrins for use in the control of public health and hygiene pests. This product is highly flexible and can be applied undiluted through Ultra Low Volume (ULV) spr...

Participation at approved training seminars incurs costs and limits work availability for urban pest control company owners, supervisors, and service technicians. However, the continued need for training to properly control pests, and to acquire or renew a license forces pest control operators to co...

The rapid breakdown of the Soviet Union into many independent, mostly ethnic states, heralded a new historical era with tremendous political, social and economic anomalies. And while the newly formed entities are being hailed as a triumph for individual freedoms and political democracy, the social a...

The activities of released German cockroaches in a vacant wooden house were investigated. Migrations to rooms away from the release point were infrequent and most cockroaches remained near the release point. Populations of cockroaches which became established in rooms, increased in summer but decrea...

Decision-making for managing household cockroach infestations is a complicated process. Proper decisions concerning cockroach pest management should be made based on the integration of 1) biotic factors, such as pest biology, ecology, and behavior; 2) abiotic environmental factors, such as temperatu...

Two mixed-age (semi-natural) populations of the Oriental cockroach Blatta orientalis were established in identical artificial domestic environments contained in steel freight containers. Each population was allowed a 10 week period of acclimation, during which the populations were monitored using Ro...

German cockroaches (Blattella germanica (L.)) are known to be susceptible to infection by the entomopathogenic nematode, Steinernema carpocapaue (Weiser) (Koehler el. al., 1992). Nematodes placed on moist filter paper in petri dishes (50 nematodes per cm2) killed all adult cockroaches after 3 days o...

Cockroach control in the Netherlands is carried out with the use of the synthetic pyrethroids deltamethrin, cyfiuthrin or permethrin or of the organophosphate chlorpyrifos. The German cockroach is the species most frequently found in buildings. There are some indications that resistance against inse...

Several types of Culigel@ superabsorbent polymers were evaluated as matrices for the controlled release and/or encapsulation of insect growth regulators, bacteria, or organophosphates for long-term control of immature mosquitoes or adult and immature cockroaches. Bioassays against mosquito larvae wi...

Observations of the nocturnal behaviour of the German cockroach, Blattella germanica, were carried out using single or mixed populations of males, gravid females, ungravid females and nymphs. The results of these studies can be summarised as follows: 1. The proportion of cockroaches present in a fee...

Multi-resistant strains of Blattella germanica are now common, and strategies for their continued control using conventional insecticides need to be devised rationally if long-term suppression of these nuisance insects is to be achieved. Newer insecticides such as growth regulators may have a role i...

Triflumuron is a substituted benzoylphenyl urea compound with a good chitin synthesis inhibition activity. Trial data is presented to demonstrate the efficacy of triflumuron applied as a 480 g/litre suspension concentrate, product name Starycide', against the German cockroach. Two experimental metho...

Commercial formulations of avermectin based baits were evaluated in laboratory and field studies against the German cockroach, Blattella germanica (L.). In continuous exposure tests with adult males, LT50s ranged from ca. 2.5 to >200d for Roach Ender and an experimental aerosol gel formulation, r...

The ability of mobile stages of oriental cockroaches to survive at -5C increased with acclimation at 10°C. Fully acclimated insects had LT5Os (time) of 1.3 - 4.1 days, depending on stage. A minimum of 8 days at - 5°C or 1 days at - 10°C was required to kill all stages; insects could survive for more...

The ability of Aprostocetus (Tetrastichus) hagenowii (Ratzeburg) to find oothecae in plumbing chases infested with American cockroaches was evaluated using different release strategies for six weeks. This pilot study used forty-three plumbing chases. Chases were assigned one of four treatments (rele...

During the first two days of laboratory trials, catches on sticky traps (Ekolex-V) of the German cockroach (Blarrella germmica) were higher than those of subsequent days. In the case of sexed groups of adults, catches of the first and second days ranged from 14.2 to 28.3%. Consecutive daily catches ...

Pheromone usage in Urban and Stored Products Entomology has been confined predominantly to insect pest monitoring to date and only in a few cases have pheromones been used for direct population suppression. Thls paper reviews the advances that have been made over recent years in the use of pheromone...

German cockroach (Blattella germanica) control treatment history has rarely been accompanied by resistance monitoring in the field. Consequently, while cockroach 'resistance', receives much publicity, it is a fact that, to date, only a handful of complaints that are due to pyrethroid resistance, hav...

In a laboratory study, groups of third instar Blatta orientalis nymphs were reared to adulthood in arenas containing fenoxycarb (48 mg ai/m2) treated ceramic or plywood tiles. The reproductive capacity of the emergent adults was assessed by pairing each individual with two untreated individuals of t...

Small groups of nymphs and adults, or of 5th and 6th instar nymphs of the Oriental cockroach Blatta orientalis, were exposed to hydramethylnon baits Maxforce) for periods of time ranging from 1 to 14 days. These insects were also given access to standard laboratory cockroach food as an alternative t...

Resistance to organochlorine, organophosphorous (OP) and carbamate insecticides in the German cockroach Blattella germanica has been documented for many years. In the past, significant bendiocarb resistance has been reported in the United Kingdom. More recently, resistance has been reported to the p...

Laboratory from 1987 to 1991. A screening of the insecticide resistance in B. germanica in some selected locations was conducted with permethrin using tarsal contact tests to estimate KT50, (/WHO/VBC/75.593). Based on these data more detailed measurement of the resistance in the German Cockroaches f...

A focal point for pest management programs is often limiting the amount of insecticide to the minimum level while still maintaining the maximum benefit for population reduction. With that in mind we conducted a field study in 28 homes to evaluate the efficacy of applying insecticide to habitats iden...

Commercial bait products are becoming increasingly important for household and industrial pest control. The advantages of baits are widely acknowledged and include convenience and ease of use, discrete placement of the insecticide, reduced environmental contamination and minimal disruption to the cu...

Insecticidal space sprays are widely and effectively used for control of insects in the urban environment. They are especially useful for flying insect control, be it for disease vector or nuisance pest, but space sprays can also be very effective for rapid control of crawling pests such as cockroac...

Global potential of sulfuryl fluoride (SF), S02F2, the active ingredient in Vikane* Gas Fumigant is being reexamined in light of recent regulatory pressures on competitive fumigants. Researchers in Europe and Japan are investigating the utility of SF as an alternative to Methyl Bromide for control o...

The role of biting or bloodsucking pesu such a lice, bedbug and flea in the'transmission of human pathogens is well known. The role of other anhropod pesu such as cockroaches, ants and flies is less clear and whilst there is a large body of evidence that they carry a wide range of pathogenic organis...

Public pressures, and mandates by government agencies will require that we develop strategies that reduce exposure of humans to pesticides. These must be developed so that they manipulate populations to the extent that likelihood of infestation is reduced, or assuming that they will infest a structu...