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Control of vector-borne diseases is a major public health issue, and one of the problems of using chemical control is the environmental pollution caused by household cleaning chemicals. The objectives of this study were to determine the acute toxicity (EC50, 48 h) of Deltamethrin, Lambda-cyhalothrin (two formulations), Alpha-cypermethrin, and spreader-sticker vegetable oil for the snail (Pomacea canaliculata) as a bioindicator of exposure. Acute toxicity tests were performed by adapting national testing standards for aquatic organisms. Acute toxicity (EC50;48h) for lambda-cyhalothrin was above 118.0 mg L-1 (two formulations), being classified as virtually nontoxic. For EC50;48h deltamethrin, it was of 0.45 mg L-1 (highly toxic); for Alpha-cypermethrin, 28.76 mg L-1; and for the vegetable oil, 70.62 mg L-1 (slightly toxic). P. canaliculata can be used in biomonitoring of insecticides and household cleaning products used for vector control, as it presented excellent sensitivity response to Deltamethrin > Alpha-Cypermethrin > Vegetable oil > Lambda-cyhalothrin = Lambda-cyhalothrin (two formulations). Snail P. canaliculata can be used in biomonitoring of insecticides and adhesive spreader used for vector control, presenting evident response to the products tested.

TOXICIDADE AGUDA DE INSETICIDAS E ESPALHANTE USADOS NO CONTROLE DE VETORES PARA O BIOINDICADOR CARAMUJO (Pomacea canaliculata)