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Insect repellent. A mosquito coil. An insect repellent (also commonly called " bug spray ") is a substance applied to the skin, clothing, or other surfaces to discourage insects (and arthropods in general) from landing or climbing on that surface.
Chemical defense is a strategy employed by many organisms to avoid consumption by producing toxic or repellent metabolites or chemical warnings which incite defensive behavioral changes. [ 1 ] [ 2 ] The production of defensive chemicals occurs in plants, fungi, and bacteria, as well as invertebrate and vertebrate animals.
N,N-Diethyl-meta-toluamide, also called diethyltoluamide or DEET (/ diːt /, from DET, the initials of di- + ethyl + toluamide), [1][2] is the oldest, one of the most effective and most common active ingredient in commercial insect repellents.
Butterflies (order Lepidoptera) are a good example of the balancing act between the costs and benefits associated with defense. In order to take off, butterflies must have a thorax temperature of 36–40 °C (97–104 °F). This energy is derived both internally through muscles and externally through picking up solar radiation through the body ...
Nepetalactone is a mosquito and fly repellent. [ 19 ] [ 20 ] Oil isolated from catnip by steam distillation is a repellent against insects, in particular mosquitoes, cockroaches, and termites. [ 21 ] [ 22 ] Research suggests that, while a more effective spatial repellant than DEET , [ 23 ] it is not as effective of a repellent when used on the ...
The sterile insect technique (SIT) [1][2] is a method of biological insect control, whereby overwhelming numbers of sterile insects are released into the wild. The released insects are preferably male, as this is more cost-effective and the females may in some situations cause damage by laying eggs in the crop, or, in the case of mosquitoes ...
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