Cong Yunbo, Chen Jixiang, Xie Yinping, Wang Yingxiu, Cheng Chunsheng
School of Environmental and Chemical Engineering, Shenyang University of Technology, Shenyang 110870, China.
Key Laboratory for Chemical Pesticide of Shandong Province, Shandong Academy of Pesticide Sciences, Ji'nan 250100, China.
Toxics. 2023 Mar 16;11(3):270. doi: 10.3390/toxics11030270.
(ladybird) is an extremely important natural predator that feeds on aphids. An assessment of the toxicity of pesticides on environmental organisms is an essential component of Integrated Pest Management (IPM) strategies. This study evaluated diamide insecticides' toxicity at lethal and 30% lethal doses (LR) against larvae. The pre-imaginal median lethal doses (LR) of chlorantraniliprole 10% SC, tetrachlorantraniliprole 10% SC, and broflanilide 10% SC were calculated to be 42.078, 289.516, and 0.0943 g active ingredient (a.i.)/ha, respectively. The mortality tests demonstrated that chlorantraniliprole and tetrachlorantraniliprole are comparatively less toxic to than broflanilide, which were detected to be highly toxic to . The mortality rates of the groups treated with the three diamide insecticides tended to stabilize after 96 h, extending to the pre-imaginal stage. Furthermore, when compared to broflanilide, which had a much higher potential risk, the hazard quotient (HQ) values indicated that chlorantraniliprole and tetrachlorantraniliprole have a lower risk potential for in farmland and off farmland. The LR dose induces abnormalities in the development phase 4th-instar larvae weight, pupal weight, and adult weight of treated . The study emphasizes the importance of assessing the adverse effects of diamide insecticides on natural predator species that serve as biological control agents in agricultural IPM strategies.
瓢虫是一种以蚜虫为食的极其重要的自然捕食者。评估农药对环境生物的毒性是综合虫害管理（IPM）策略的重要组成部分。本研究评估了双酰胺类杀虫剂在致死剂量和30%致死剂量（LR）下对幼虫的毒性。计算得出10%氯虫苯甲酰胺悬浮剂、10%四氯虫酰胺悬浮剂和10%溴氰虫酰胺悬浮剂的预成虫期半数致死剂量（LR）分别为42.078、289.516和0.0943克活性成分（a.i.）/公顷。死亡率测试表明，氯虫苯甲酰胺和四氯虫酰胺对[此处原文缺失相关对象]的毒性相对低于溴氰虫酰胺，后者被检测出对[此处原文缺失相关对象]具有高毒性。用这三种双酰胺类杀虫剂处理的组的死亡率在96小时后趋于稳定，并延续到预成虫期。此外，与具有高得多的潜在风险的溴氰虫酰胺相比，危害商（HQ）值表明氯虫苯甲酰胺和四氯虫酰胺在农田和农田外对[此处原文缺失相关对象]的潜在风险较低。LR剂量会导致处理后的[此处原文缺失相关对象]在四龄幼虫体重、蛹重和成虫体重的发育阶段出现异常。该研究强调了评估双酰胺类杀虫剂对作为农业IPM策略中生物防治剂的自然捕食者物种的不利影响的重要性。
