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The DDT, deltamethrin, and malathion susceptibilities of five tropical bed bug (Cimex hemipterus) strains, and their resistance mechanisms were investigated using synergism studies and detection of kdr mutations. All C. hemipterus strains showed high resistance to DDT and deltamethrin and moderate t...
To investigate insecticide resistance in modern field populations of bed bugs in Australia, a program to collect and screen field specimens was initiated. Thirty-five bed bug strains (a mixture that included both C. lectularius and C. hemipterus) were collected from across Australian and subsequentl...
A unique mixture of polymeric compounds for effective control of various insect species was tested. When applied in a free form or mixed with insecticide formulation has provided quick and even spreading increasing the likelihood that the toxicant will be transferred by contact enhancing the bioavai...
Arachnids are successful groups with a lifestyle based on predation, especially insects. The spiders have a body divided in two segments, the cephalothorax and abdomen, have four pairs of legs, chelicerae and pedipalps. The Loxosceles spiders occur throughout the world, in Brazil were recorded eight...
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...
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...
In fly control, the development of new insecticidal compounds with oral action encourages the development of baits. Imidacloprid, which belongs to the chloronicotinyl class of compounds, is most active when it is ingested and it is used in fly control as a granule for application as scatter bait (Qu...
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...
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...
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...
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 ...