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The insecticide also reduces populations of predators, so that weekly applications become necessary. For small scale horticulture, or in home gardens it is better to rely on mechanical control, seeking out discoloured feeding patches on leaves and crushing the young larvae before they develop.
Bacillus thuringiensis subsp. kurstaki (Btk) is a group of bacteria used as biological control agents against lepidopterans (moths and butterflies). Btk, along with other B. thuringiensis products, is one of the most widely used biological pesticides due to its high specificity; it is effective against lepidopterans, and it has little to no effect on nontarget species.
Dieldrin was an insecticide used on fruit, soil, and seed. It persists in the soil with a half-life of five years at temperate latitudes. Both aldrin and dieldrin may be volatilized from sediment and redistributed by air currents, contaminating areas far from their sources.
This is a list of insecticides. These are chemical compounds which have been registered as insecticides. Biological insecticides are not included.
Fipronil is a broad-spectrum insecticide that belongs to the phenylpyrazole insecticide class. [3] Fipronil disrupts the insect central nervous system by blocking the ligand-gated ion channel of the GABA A receptor (IRAC group 2B) and glutamate-gated chloride (GluCl) channels. This causes hyperexcitation of contaminated insects' nerves and muscles.
According to Raymond Cloyd, entomology professor at Kansas State University, there was a bad infestation of fall armyworms in Kansas in 2022. “They caused substantial damage, entire lawns and ...
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