ICUP Proceedings Search

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...

Outdoor areas were monitored for two pestiferous species of yellowjackets, Vespula alascensis Packard and Vespula pensylvanica Saussure (Hymenoptera: Vespidae), in southern and northern California. Heptyl butyrate attracted V. acadica (Sladen), V. alascensis, V. atropilosa (Sladen), and V. pensylvan...

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 ...

Two new technologies (spray with a pheromone adjuvant + biodegradable hydrogel bait delivery method) were used to develop a unique IPM protocol for Argentine ant at urban structural settings. The IPM protocol included a one-time perimeter treatment with 0.03% fipronil (mixed with a pheromone adjuvan...

The efficacy of YJX-100 yellowjacket baiting system to control individual nests and to provide area-wide suppression of European wasps Vespula germanica was evaluated. The study was conducted in a disturbed urban tall grass habitat in Canberra, Australia in 2017. Six active European wasp nests were ...

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 Exploreum Science Center and History Museum in Mobile, Alabama, USA, and UNESCO World Heritage Site Taliesin West – Frank Lloyd Wright’s winter residence and architectural school in Scottsdale, Arizona, USA, are both complex structures that were experiencing substantial termite activity. A ‘solu...

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 intrinsic activity of combinations of methoprene and chlorfluazuron and methoprene and fipronil was determined against larval cat fleas, Ctenochephalides felis (Bouché). Methoprene synergized the activity of the IGR chlorfluazuron and the adulticide fipronil. The LC50s of chlorfluazuron, fiproni...

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...

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...

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...

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 aim of this work was to evaluated to a minimal dose and minimal lethal time of Fipronil and Hydramethylnone bait gel formulation at a concentration of 0.05 and 2.15%. The insects were food deprived during 24 hours and after confined individually with the respective dose of the gel, water and foo...

Treatment strategies focused on reducing the amount of fipronil applied and the amount fipronil and its metabolites detected in the water runoff. Directed applications around the perimeter of the structure, narrow pin-stream applications, and no spray zones reduced the amount of fipronil detected. A...

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...

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...

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...

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...

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....

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...

Invasive ants present a serious threat to humans, wildlife and sensitive environmental habitats. The nature of these sensitive sites such as schools, nursing homes, parks, and zoos prevent the widespread application of insecticides to control ants and encourage alternative strategies. The presence o...

The termite activity of fipronil (Termidor®) termiticide/insecticide was first discovered in 1997. Field research trials produced data showing that fipronil had effects on termites distant from the treated area. Following this discovery, several homes were treated as exterior perimeter only treatmen...

Baiting offers an integral tool in the management of ants. Baiting trials with Camponotus modoc were successful in 55% of field trials with two granular, three gel, and two containerized baits in 2005-2007. Results with two granular, three gel, and four containerized baits in laboratory trials yield...

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 ...

Seasonal and annual intensity of foraging pestiferous yellowjackets in California (USA) was determined with wet capture traps using heptyl butyrate (HB) lure. Although 3 species were sympatric at every test site, the most abundant at > 85 to 90% of total was V. pensylvanica (Saussure). There was ...

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...

Odorous house ant, Tapinoma sessile Say, is a pest ant with global distribution. The common name is derived from the emission of a substance with an odor similar to that of butyric acid. Polygynous colonies often associated with notably dynamic populations and multiple nesting sites make odorous hou...

Barrier applications of sprays and granules have been widely used to control Argentine ants, Linepithema humile (Mayr), around structures. Their activity against ants, especially the pyrethroids, has been ascribed to toxicity and repellency. Recent studies have shown that bifenthrin and cyfluthrin p...

Two spiders of possible medical importance in the Pacific Northwest were chosen for this study: the hobo spider, Tegenaria agrestis, male and female, and the black widow, Latrodectus hesperus, female. Three management strategies were investigated with chemicals applied to the substrate, spider webbi...

Pest Management Professionals had the opportunity to use new chemistry of non-repellent active ingredients (termiticides) for subterranean termite control. These active ingredients provide control through reduction of termite populations. The pest control industry has asked if the newer non-repellen...

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...

Since first identified in the 1980’s, Lyme Disease has become the most widely diagnosed vector-borne disease in the United States. Lyme Disease occurs from the infection of human and animal hosts by the bacterium Borrelia burgdorferi. Infection of hosts results from the bite and completion of a succ...

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...

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...

Carpenter ants are major structural pests in the United States, Canada, and Scandinavian countries. With the advent of non-repellent chemicals and more attractive baits, shifts have occurred in management strategies that include either perimeter sprays or baiting as the sole method for control. Four...

Study on the efficacy of some soil termiticides available in Thailand market was made in order to evaluate their effectiveness to prevent the invasion of subterranean termites living underneath the buildings. Two methods representing construction practices widely used in the country were experimente...

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 ...

Fipronil and imidacloprid are non-repellant insecticides that work via direct contact and termite-to-termite transmission. This secondary form of transmission is more effective if termites continue functioning normally after they come in contact with the chemical. Behavioral changes in the Formosan ...

Studies were initiated during 2001 to monitor spatial and genetic distribution of subterranean termite colonies associated with residential structures prior to making a full-label or perimeter- only application of fipronil (Termidor 80%WG or a 9.1%SC). Eight residential structures with active infest...

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...

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 Formosan subterranean termite (Coptotermes formosanus Shiraki) is one of the most destructive pests of trees in New Orleans, causing millions of dollars in damage each year. The termites tunnel into the trees, creating a network of galleries and voids, ultimately hollowing the interior of the tr...

The Argentine ant (Linepithema humile) is a highly invasive species, a major urban pest, and capable of impacting native systems. It was first found in New Zealand in 1990, and in March 2000, a population was discovered on a 200-ha island reserve of conservation significance. This led to a call for ...

The Formosan subterranean termite, Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae), is currently considered the most destructive insect in Louisiana. It attacks living trees eating the centers and constructing a carton nest within. Infested trees can serve as reservoirs for termites to in...

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...

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...

Eastern subterranean termites (Reticulitermes flavipes (Kollar)) were confined to sand of different pH levels, which was treated with either chlorpyrifos (10,000, 1,000, 100, or 10 ppm Dursban TC), imidacloprid (500, 50, 5, or 0.5 ppm Premise 2), fipronil (600, 60, 6, or 0.6 ppm Termidor), bifenthri...

The odorous house ant, Tapinoma sessile (Say), is the principal ant invading structures in the mid-south region of the United States (Hedges, 1998) and is ranked as one of the top five pest ants in the United States (Hedges, 2000). The objective of this study was to determine which treatment, perime...

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...

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. ...

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...

Carpenter ants, Camponotusspp., are major structural pests as well as nuisance pests in northern areas of the United States, southern Canada, and northern Europe. Management tools have included cultural controls to modify habitats and foraging, dust applications to wall voids, perimeter sprays, bait...

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...

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...

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 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...

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...

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 ...

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 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...

The distance and speed that workers of Argentine ant, Linepithema humile (Mayr), dispersed food was determined by feeding colonies sucrose + red dye. The maximum distances that the dye was dispersed was 33, 48, and 54 m at 24, 48, and 72 hours, respectively. The addition of 0.001% and 0.0001% fipron...

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 ...