Posters
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 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...
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...
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, ...
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...
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...
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...
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 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...
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 ...
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 ...
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...
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...
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...
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...
Periplaneta americana is a remarkable pest in urban environments. At present, it is the most common species in Valencia city keeping Blatta orientalis in a secondary position. Is is highly adaptable and, in favorable conditions, shows fast proliferation and dispersal. Special difficulties in its con...
Periplaneta americana is one of the most important problems in Spanish Mediterranean Coast cities so, it must make periodic insecticide treatments in sewers of these cities. Most formulates that are using now for their control have relatively low persistance and this forces to increasing the treatme...
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...
Efficient control and eradication of Pharaoh’s ant is a difficult task for PCOs mostly due to the fact that several queens live in a nest, all of which can not be killed with traditional methods. PROTECT B Pharaoh’s ant killer bait is a special ready-to-use formulation that contains an insect growth...
Pyriproxyfen, a synthetic analogue of the juvenile hormone of insects, has been used in the form of 0.5% granules (Sumilarv, Sumitomo, Japan) against preimaginal stages of house flies and mosquitoes for suppressing their quality. As the main condition of the experiment was to use strictly equalized ...
Enzyme activity was determined spectrophotometrically used 3-5 days old imagoes M. domestica. Total esterases - by van Asperen method (substrate 1-naphthyl acetate), cholinesterase activity – by Ellmann method (subsrate acetylthiocholine iodide). Total acid phosphatase activity using 4-nitrophenylph...
We evaluated the efficacy of the toxic (methomyl) baits with a sex pheromone, (Z)-9-tricosene, in controlling adults of the house fly, Musca domestica (L.). The poison bait was distributed on the carton Tables “Zwalcza muchy” in a form of color pattern and prints. Each table contained a shelf to col...
House flies belong probably among insects which are most frequently used in experimental studies of physiological, genetic and biochemical mechanisms of resistance. The development of resistance is an example of microevolution caused by artificially induced change in the frequency of some selection ...
House flies Musca domestica (L.) are a nuisance to humans and animals and are potential vectors of pathogens. One of the methods to control flies is using attractive odours to lure them to a trap (Cossé and Baker, 1996). However, existing commercially available baits showed variable results (Browne,...
Populations from Pskov region showed high resistance to trichlorphon and tolerance to pyrethroids. Moscow populations were high resistant to trichlorphon and to pyrethroids with different chemical structure (permethrin, cypermethrin and others) and tolerant to DDVP. Populations, that were high resis...
During the early 1990s the Medical Entomology Centre, Cambridge, received an increasing number of reports from concerned health professionals of treatments against head lice failing to cure. Preliminary investigations showed some lice to have developed tolerance of pyrethroid insecticides. A series ...
Infestation with head lice, Pediculosis capitis, is a widespread, persistent and recurring problem amongst pre-school and school aged children. The problem poses no direct threat to health which may explain why such a physiologically distressing condition affecting millions of young children every y...
The cat flea, Ctenocephalides felis (Bouché), is a seasonal ectoparasite of domestic and feral mammals worldwide. Adult fleas are generally most abundant during the warm spring and summer months, becoming scarce or absent during the cold winter months. However, reinfestations of unknown origin are c...
The control of bedbugs (Cimex lectularius) as well as pigeon ticks (Argas reflexus) in human dwellings is usually carried out by a treatment with residual insecticides/acaricides combined with special flushingout- preparations. As the hiding and breeding places of bed bugs and pigeon ticks can be sp...
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...
Insecticide treatment of surfaces is a well proven technique for the control of insect pests in the urban environment. The aim of these applications is to leave a residual deposit of insecticide which remains lethal to the target insect for an extended period. However, the efficacy of these treatmen...
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 ...
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...
Tiny, free-living mites have long been recognised as one of the most important sources of allergen of house dust causing atopic and bronchial asthma, rhinitis and dermatitis in susceptible persons. Among several species of these mites Dermatophagoides pteronyssinus and D. farinae (Acari: Pyroglyphid...
Atopic allergies, such as asthma, eczema and perennial rhinitis, have dramatically increased in industrialised countries. Most sufferers are sensitised to house dust mite allergens that have also risen in homes. House dust mites (HDM) possess enzymes, such as proteinases, to digest their exclusive d...
The main sensitiser and trigger for asthma is house dust mite (HDM) allergen. Removing HDM allergens in homes has been shown to be effective in reducing symptoms in asthmatic patients. Regular vacuum cleaning is important to decrease allergen reservoirs in homes. However, vacuum cleaning with an ine...
Increasing concerns about the presence of storage mites in food, and their medical importance in domestic and occupational environments, have been addressed by the development at this laboratory of two new techniques. This poster outlines these techniques and presents examples of results obtained wh...
House dust mites are one of the main reasons for allergies which makes an efficient control necessary. The commonly used compounds are pyrethrins, pyrethroids but also compounds as benzyl benzoate. Furthermore the acaricidal effects of some solvents (e.g. propylenglycol, diethylenglycolmonobutylethe...
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...
Fifteen randomly chosen flats in Ledeè n. S. were examined for the presence of house dust mites in 1997-98. Only one species, Dermatophagoides farinae Hughes, was found in one flat in a brick onefamily two-story house, 30 years old, 300 m above sea-level. This flat was therefore submitted to a detai...
Recruit* AG is the above-ground baiting element of the Sentricon® Termite Colony Elimination System which is used to protect structures from termite infestation and damage. It is designed to be placed directly over active structural infestations of subterranean termites. Experience has shown that mu...
Heterotermes aureus (Snyder) continues to be the number one urban pest in the arid southwest (USA). Demand by pest control operators and consumers regarding information on termiticides and bait technology remains high. The primary control mechanism continues to be liquid barriers, but bait technolog...
Diverse plant-dervived defense compounds present an intriguing model for exploring termite responses in controlled environments. Our group is identifying terpene and sesquiterpene constituents of folded, volatile oils distilled from a variety of citrus products. These oils include the pyryl alcohols...
Structure, distribution and number of surface sensilla on the antenna of Prorhinotermes simplex (Rhinotermitidae, Isoptera) were studied by scanning (SEM) and transmission electron microscopy (TEM). Distribution and organization of sensilla on the antenna of pseudergates, presoldiers (=white soldier...
Some strains of the hyphomycete fungus, Metarhizium anisopliae, are highly virulent for various species of Australian termites. One of these, FI-610, has been selected for control of Coptotermes spp. and Nasutitermes exitiosus, and shown to kill mound and tree nests when sufficient dry conidia are a...
A survey of university entomology departments teaching urban and industrial pest management topics was conducted as was a survey of prominent and less prominent structural pest control companies. Universities were asked what topics they were teaching and the time devoted to each. Companies were aske...
In the past time there was in Halle/Saale (Germany) a centre of the enlightenment (Aufklaerung) and the piety in Europe so called the „Foundation of Francke“ (Francke’sche Stiftungen). In the library of the “Foundation of Francke” are about 56,000 volumes especially from the 17th until the 19th cent...
There are several towns in Poland where mosquitoes cause serious problems because of their extremely abundant occurrence and nuisance. Most of the species, which occur in mass numbers, have been determined and their biology described. Despite that fact the whole mosquito fauna of those areas has not...
In the Czech Republic there are large areas in the Labe and Morava – Dyje Lowlands where mosquitoes are an almost unberable nuisance following occasional summer floods (e.g. in 1997 and 1998), Aedes vexans and Ae. stictius being the main pest species. The capital of the Czech Republic, Prague, lies ...
The recuperation of wetlands with high ecological value constitutes one of the major environmental goals of wildlife conservation authorities in the Region of Valencia. However, the recuperation of wetlands involves some problems such as the re-appearance of suitable habitats for the proliferation o...
Two Navy surplus barges (each 91 x 20 ft) were equipped with one street lamp at each corner of the barge and with fourteen 60 x 80 inches white cloth panels, each panel illuminated with one 100W spotlight. Adult midge attraction to light on these barges was studied in the summer of 1998 on Lake Monr...
In Piedmont, water used in agriculture is one of the most important source of mosquitoes. For this reason more resources are used for the mosquito control. In particular in grazing meadows and rice field, genus Aedes mosquitoes can be controlled using B.t.i.. In rice field genus Culex and Anopheles ...
Observation carried out in increase in the number of all blood-sucking arthropods in Lithuania. The abundance of Ixodes ricinus ticks, the principal vector for the Lyme disease and Tick-borne encephalitis (TBE) agents in three biggest towns of Lithuania was compared with the incidence of morbidity o...
In this study, it is presented the integrated control strategies against mosquitoes, house fly and sand flies in Belek Tourism Center which is surrounded by Mediterranean in the south, Tahtali Mountains, the part of Toros Mountains in the north, Aksu River in the west and Koprucay River in the east,...
Turkey is the last country in the temperate climate zone on the edge of the European continent in which malaria is prevalent at endemic and occassionaly epidemic proportions. Turkey is 780,566 km2, 96.88 percent of which lies in Asia and the remaining 3.12 percent in Europe. Turkey-in-Europe divided...
In the light of global warming and the predicted enlargment of chloroquine-resistant malaria -endemic areas, it has to be seen whether other alternate antimalarial drugs have effects similar to those of chloroquine in increase transmission. Compared to studies on antimalarial drugs and ability of th...
Four insect repellent products, (1) Experimental Repellent Lotion (Bayrepel® 12%), (2) Experimental Repellent Cream (Bayrepel® 5%), (3) Off! Insect Repellent II® Aerosol (DEET 15%) and (4) Off! Skintastic II® Cream (DEET 7.5%) were evaluated simultaneously for their efficacy against vector and nuisa...
Four species of mosquito larvae, representing two genera, were tested for their responses to the pathogen preparation ABG-6193, Bacillus thuringiensis var. israelensis. After one hour exposure, Culex antennatus, C. poicilapus and C. pipiens molestus rapidly ingested the bacterium resulting in high m...
Mosquitoes required for testing chemical or biological products have been reared successfully using anaesthetised guinea pigs as a source of blood. In an attempt to eliminate the need for keeping and using live mammals to provide the blood meal, alternative methods have been investigated. Finally th...
In the Czech Republic, Ixodes ricinus is the main vector of two important tick-borne diseases: tickborne encephalitis (TBE) and Lyme borreliosis (LB). Both these infections are frequently distributed in recreational areas among people coming there from Prague and from other large towns at weekend or...
In the recreational zone of St. Petersburg the regular collections of Ixodes persulcatus Schulze ticks were made during 1995-1998 within a tick activity season (April-July). Ticks were collected by flagging and their infection rates were estimated using darkfield microscopy for spirochetes, IFA meth...
In Europe the Lyme disease spirochetes, B. burgdorferi s.l., are maintained naturally in enzootic cycles involving wildlife reservoirs, such as Clethrionomys glareolus and Apodemus flavicollis, and ixodid tick vectors, primarily Ixodes ricinus. Although the disease is generally associated with fores...
The purpose of this study was (a) to evaluate the risk of secondary poisoning in dogs after ingestion of rats poisoned by coumatetralyl (Racumin®), a multiple dose rodenticide, in the laboratory, and (b) to demonstrate the suitability of a Racumin bait for rat control in dogs’ boarding kennels by fi...
Fenthion (Tiguvon®, Bayer AG) is an effective insecticidal compound with a residual effect for the control of fleas in dogs and cats. Fenthion belongs to the organophosphorus group of compounds, which are inhibitors of cholinesterases and have a systemic effect. This effect can be observed within 4 ...
The phyllogenetically ancient family Dermestidae is specialised to the developing in dry substances of animal origin. Therefore most species of Dermestidae occur in areas with dry climate. Transition to a synanthropic state of life proceeds in two steps. At first it proceeds from the natural environ...
The aim of our investigation was to find out if predacious beetles are applicable for biological control of some soil pests in urban environment in Siberia. During the years 1992-1997 the distribution of epigeic and soil-inhabiting beetles (Coleoptera: Carabidae, Staphylinidae) , their biology and r...
In order to evaluate urban pollution effects on conifers and their pest insects, Norway spruce Picea abies (L.) Karst seedlings were exposed to traffic emissions along two urban streets and a highway. The responses of the exposed seedlings as a host plant and those of spruce shoot aphid (Cinara pili...
The Pantry PatrolÔ is a new trapping system for use by professional pest managers and for introduction into the domestic market. Sex pheromones for Plodia interpunctella, Ephestia kuehniella, E. cautella, Lasioderma serricorne, Trogoderma variabile, and T. granarium and aggregation pheromones for th...