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Fipronil is a broad-spectrum insecticide that belongs to the phenylpyrazole chemical family. Fipronil disrupts the insect central nervous system by blocking the ligand-gated ion channel of the GABA A receptor and glutamate-gated chloride (GluCl) channels. This causes hyperexcitation of contaminated insects' nerves and muscles.
Fipronil acts as an insecticide with contact, and stomach action. It is sparingly soluble in water and is stable at normal temperatures for one year. Fipronil is an extremely active molecule and is a potent disruptor of the insect central nervous system. [5] Fipronil bait is more effective and kills faster than Hydramethylnon.
Acephate is an organophosphate foliar and soil insecticide of moderate persistence with residual systemic activity of about 10–15 days at the recommended use rate. It is used primarily for control of aphids, including resistant species, in vegetables (e.g. potatoes, carrots, greenhouse tomatoes, and lettuce) and in horticulture (e.g. on roses and greenhouse ornamentals).
Chemical structure of fipronil, a common phenylpyrazole insecticide. Phenylpyrazole insecticides are a class of chemically-related broad-spectrum insecticides.The chemical structures of these insecticides are characterized by a central pyrazole ring with a phenyl group attached to one of the nitrogen atoms of the pyrazole.
Infobox references. Imiprothrin is a synthetic pyrethroid insecticide. It is an ingredient in some commercial and consumer insecticide products for indoor use. It has low acute toxicity to humans through the inhalation and dermal routes, but to insects it acts as a neurotoxin causing paralysis.
Along with fipronil, another insecticide found in 483 pet products, at least one of these chemicals was found in 109 of 283 river sites tested by the Environment Agency (EA) at levels above ...