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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...

Homelessness is an increasing public health problem. Because of poor living conditions and limited access to healthcare systems, homeless persons are exposed to many communicable infections. The pattern of life and the crowded shelters provide ideal conditions for the spread of lice. Body lice have ...

Seven commercial pest control products were assayed against Cimex lectularius (L.) adults and 4th instar nymphs under laboratory conditions for 48 hr. After initial exposure a selection of the porous plates were aged under mixed lighting, at 22ºC for 5 weeks, and assayed using 4th instar nymphs to d...

The role of mosquitoes in transmission of infectious diseases is significant. Various formulations of insecticide products are used to control mosquitoes indoors: aerosols, electric heaters with cellulose mats, tablets or vials with a liquid, coils, sticks etc. Aerosol products are usually used agai...

In the past years test systems for the evaluation of repellents, attractants and insecticides/acaricides have been developed and further refined in our laboratory. A standardized laboratory test system for the evaluation of tick repellents (Moving-Object (MO) Bioassay) has been extensively used with...

European Wasp, Vespula germanica (F.), was first noted in Tasmania in 1959, and in Victoria in 1977. It is now widespread over the cooler and wetter areas of the southern part of Australia. The Australian winters are mild, and whole nests can overwinter leading to high wasp populations in some place...

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 ...