Food-Based Poisoned Baits for Insect Control
Food-based baits are an effective and selective method of insect control. Typically, a bait consists of a base material called a carrier (often grain or animal protein) plus a toxicant (most often insecticides such as organophosphates, carbamates or pyrethroids) and sometimes an additive (usually oil, sugar or water) to increase attractiveness. The toxicant part of a bait can also be biological rather than chemical. Examples of biological toxicants are Bacillus thuringiensis(Bt), parasitic nematodes and fungi. Many baits are not highly attractive to the insect, but instead function as an arrestant. The insect is not attracted to the base material, but finds it palatable and will eat it when encountered. Therefore, baits are distributed by either ground or aerial broadcast application in order to ensure broad dispersion. Toxic baits are often environmentally friendly, inexpensive methods of insect control. Little or no insecticide drift is associated with baits, and there is minimal...
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