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Papers
Insect vector control has proved to be an effective method for reducing the transmission of disease-causing organisms to human populations in many tropical countries. A variety of methods have been employed to suppress vector populations, including the application of biological control agents and th...
Hazard Analysis Critical Control Point (HACCP) has been around for quite a long time but only now are its principles extended, by law, to all sectors of the food industry in Europe and many other parts of the World. It is a pro-active and cost effective system which, if properly implemented, can gua...
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...
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...
The current proposal for a EU Biocidal Products Directive aims to establish a single market in biocides that provides a high level of control for man and the environment by ensuring that requirements for authorisation of products are equal across all Member States. The UK Regulatory Authority welcom...
Spatial scale, from global and regional, through landscape down to habitat and microhabitat is a critical concept for both understanding pest- and threatened-insect biology. At the finer scale, there are some distinct influences and impacts on insect populations, some of these (e.g. open water butts...
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 d...
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 wer...
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...
The European Earwig (Forficula auricularia) is considered to be a pest in urban gardens, and also of fruit, ornamentals and a contaminant in mechanically harvested fruit. However earwigs are also efficient predators of fruit pests such as aphids, mites, scale and insect eggs, and are probably...
Some extracts of Euphorbia helioscopia [Euphorbiaceae], Calendula micrantha [Compositae] and Azadriachta indica [Meliaceae] were screened for the control of Culex pipiens larvae, the vector of Filariasis and Biomphalaria alexandrina snails the vector of Schistosomi...
Mosquito coils with the active ingredient d-allethrin (0.2% w/w), and d-trans allethrin (0.1% w/w) together with blank coils were tested in the laboratory against Aedes aegypti (Linn.) and Culex quinquefasciatus Say of different ages and physiological condition, using a test method of ...
Certain physical and chemical factors in mosquito larval aquatic habitat, in relation to larval species distribution were studied in different ecosystems of Kuwait State. Ten types of breeding places were found in the different ecological areas of Kuwait State. These were animal watering basins, see...
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 t...
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 ...
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 o...
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,...
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). ...
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 ...
A study was initiated in the laboratory to compare the effects of spore dust and sawdust formulations of Bacillus thuringiensis var israelensisand B.sphaericus on immatures of laboratory and field samples of C. quinquefasciatus. Various types of ecological niches includin...
The housefly Musca domestica L. belongs to the most important hygiene pests world-wide - especially in livestock. Due to its fast development and high reproductive rate the housefly has developed severe resistance against commonly used insecticides. Sometimes resistance problems against new a...
Environmental and health concerns have caused a radical change in the popular perception of chemical pest control methods. Governmental and environmental agencies seek to further limit the uses of chemicals in areas that have, till now, accepted them as routine treatments. As an example, the German ...
In the early spring Lasius niger may be a nuisance indoors. These ants often originate from nests right next to the foundation, below the house or sometimes even directly under the floor. The ants raise the humidity, which may result in severe damage to the woodwork, due to rot. The same appl...
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 ...
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...
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 w...
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,...
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 fo...
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...
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...
A commercial controlled atmosphere treatment of wool/silk curtains infested with textile pests was carried out as part of a National Trust conservation project. The curtains, together with small cages containing 20 late instar larvae of the textile pests Tineola bisselliella (common clothes moth), T...
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...
Woodworm or furniture beetle Anobium punctatum can cause serious damage to wooden objects and the structural timber in buildings. In the light of recent evidence of the reduced incidence of this pest in museum objects and in buildings it is timely to re-examine the need for chemical treatment...
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 resil...
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...
This paper outlines the main objectives of the proposed biocides directive, details the products it will cover and briefly explains how it will operate. It explains the recent modification to the proposal (inclusion of the Common Principles), gives the current position and suggests how it will progr...
Mixtures of insecticides have been proposed as one tool for the management of insecticide resistance. The concept of mixtures relies on the hypothesis that organisms may be able to overcome a single toxicant but are unlikely to be able to overcome several independently acting toxicants. Mixtures hav...
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 large scale resistance management programme is currently being undertaken in Chiapas, Southern Mexico. this paper reports the baseline levels of resistance as detected by bioassays and biochemical assays in the mosquito Anopheles albimanus in the study area. A high level of resistance to DD...
In many parts of the world louse-borne disease, particularly epidemic typhus, is a risk to refugees and displaced persons as well as those involved in humanitarian relief programmes. This paper discusses the methods of mass disinfestation employed in past programmes, the infrastructure that enabled ...
The oil derived from the leaves of a deciduous shrub, Myrica gale, has been evaluated as a repellent against the Scottish biting midge, Culicoides impuncatus, and other haematophagous pests of man and livestock. Electrophysiological recording of responses from insect antennae (electroa...
Insecticides of plant origin have been receiving attention in recent years to overcome the environmental hazards in using synthetic insecticides. Large numbers of plant samples have been screened for their insecticidal and/or repellent activities and a few of them have been found promising and their...
Ectoparasites of the common house rat, Rattus rattus diardii from Kuala Lumpur city, Malaysia was investigated. The study was conducted over a period of one year. 73'% of the rats harboured the flea Xenopsylla cheopis, followed by mites Laelaps echidninus 64%, L.nuttalli ...
The growing concern for health and safety of pesticide workers in the United States has generated standards and regulations as well as standard practices of worker hygiene and a recent increase in research in personal protective equipment (PPE). Personal protective equipment includes protective clot...
The applied objectives for bait-toxicant against subterranean termites are at minimum the suppression of foraging activity and ideally the elimination of the entire colony population. Subterranean termite colonies containing hundreds of thousands to millions of individuals may forage up to I50 m in ...
Bait toxicants were evaluated against Formosan subterranean termites infesting 61 river-bound trees in Lake Charles, Louisiana. This afforded a natural setting from which termite colonies could not escape and bait efficacy could not be misinterpreted by colony movement away from the study site. Of 1...
The results of a four year study with six termiticides including: bifenthrin, chlorpyrifos, cypermethrin, fenvalerate, permethrin, and isofenphos indicate significant differences in effectiveness among products applied to different soil types in Texas. Each of the five field test locations represent...
Determining termiticide performance has, historically, been conducted by assessing attack of wooden boards placed over treated soil. This method was developed by the USDA-FS Gulfport laboratory, and is referred to as the ground-board test. A modification of this involves pouring concrete over the tr...
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 ...
Household and structural insect pests will continue and increase in their importance as the world population becomes more urbanized. The discipline of urban entomology will continue to serve society through teaching, research, and public service programs, but future contributions will be linked to a...
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...
Psocids, and particularly the species Liposcelis bostrychophila , have become an increasingly recognised pest of stored food products and grain. In the UK, L. bostrychophila is the most important cause of consumer complaints in some areas of the food industry. A similar picture emerg...
Sulfuryl fluoride is a gas fumigant mainly used for the control of structural and household insect pests. A laboratory study was undertaken to determine the efficacy of the fumigant on eight stored product pest insects (Sitophilus granarius, Oryzaephilus surinamensis, Tribolium confusum. Stegobiu...
Dry leaf petroleum ether crude extracts of Eichhornia crassipes (Mart) Solms administered to the fifth instar larvae of Tribolium castaneum (Herbst) (Coleoptera: curiculinadae) and Corcyra cephalonica (Staint) (Lepidoptera: Pyralidae) by a food treatment method inhibited growth ...
The utility of pheromone enhanced ant baits was investigated using fire ants as the model organism. The enhanced bait consisted of hydramethylnon (active ingredient), soybean oil (phagostimulant and Ai solvent), defatted corn grit (carrier), and 'invictolide', a component of the fire ant queen recog...
Webbing clothes moth, Tineola bisselliella, is a world-wide pest of clothing and textiles in domestic environments and also causes serious damage to textiles and ethnographic material in museum collections. Monitoring traps are an important component of pest control programmes but sticky trap...
The Coastal Brown Ant (Pheidole megacephala) is a major introduced nuisance pest species in the most populated regions of Australia. The aim of this trial was to examine the potential of imidacloprid and triflumuron as active ingredients for ant baits. Baits based on peanut butter and the nit...
Laboratory comparisons of pyrethroid toxicities on a range of insect pests demonstrated greater kill activity than expected for the photolabile allethrin series compounds relative to other pyrethroids. Further investigation in chamber and warehouse trials confirmed the utility of S-bioallethrin in s...
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...
Communities in Europe between 1986-88, guidelines for non-agricultural IPM were developed for the German Government. The implementation was partwise very successful. Selected experiences and observations with the implementation and suggested consequences are being presented: The major challenge is t...
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...
Pest Management is an important environmental health function and the eradication of chronic pest infestations must be considered a priority in contributing to effective public health. This is especially true in a hospital environment where, in addition to aesthetic objections, the presence of infes...
Impact of carpenter ant infestations in structures ranges from nuisance pests to seriously damaging pests if structural timbers are attacked. Carpenter ants excavate wood to form galleries for their brood and tunnels for foragers. A mature colony consists of a parent or main colony with the queen, w...
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...
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 ...