Safety assessment of fourteen insecticides to Arma chinensis

doi:10.14088/j.cnki.issn0439-8114.2021.16.016

Abstract

Abstract: The indoor toxicity of 9 common-used insecticides and 5 biological insecticides to Arma chinensis was assessed by spray method. The safety assessment of five pesticides （deltamethrin, beta-cypermethrin, imidacloprid, cyantraniliprole, azadirachtin） to Arma chinensis on bean and pepper plant were also tested in the field. The results showed that, among the 14 tested insecticides, sulfoxaflor, chlorantraniliprole, Bacillus thuringiensis, Empedobacter brevis and Spodoptera frugiperda NPV all showed least toxicity and were relative safe to Arma chinensis; Indoxacarb and matrine were both lower toxicities with LC₅₀of 85.64 mg/L and 404.03 mg/L respectively at 48 hours after treatment, followed by cyantraniliprole, beta-cypermethrin, deltamethrin, cyhalothrin, azadirachtin. The highest toxicities were detected for thiamethoxam and imidacloprid, with LC₅₀of 0.96 mg/L and 1.16 mg/L respectively at 48 hours after treatment. Among the five insecticides tested, imidacloprid had the highest risk of Arma chinensis, with 100% mortality after 24 h, followed by deltamethrin, beta-cypermethrin, cyanidebromide and azadirassin.

Key words: Arma chinensis, safety assessment, insecticide, indoor toxicity

CLC Number:

LI Wen-hong, ZHANG Chang-hua, QIN Wei-wei, XIE Hong-lian, DONG Xiang-li, LI Zhi-mo, MENG Jian-yu, GUO Xiao-guan. Safety assessment of fourteen insecticides to Arma chinensis[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(16): 89-92.

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