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Predatory stink bug, Eocanthecona furcellata (Wolff) responses to oral exposure route of lambda-cyhalothrin via sex-specific modulation manner

文献类型： 外文期刊

作者： Yao, Qiong 1 ; Quan, Linfa 1 ; Wang, Siwei 1 ; Xing, Dongxu 3 ; Chen, Bingxu 1 ; Lu, Kai 2 ;

作者机构： 1.Guangdong Acad Agr Sci, Inst Plant Protect, Guangdong Prov Key Lab High Technol Plant Protect, Key Lab Green Prevent & Control Fruits & Vegetable, Guangzhou 510640, Peoples R China

2.Anhui Agr Univ, Sch Plant Protect, Anhui Prov Key Lab Crop Integrated Pest Management, Anhui Prov Engn Lab Green Pesticide Dev & Applicat, Hefei 230036, Peoples R China

3.Guangdong Acad Agr Sci, Sericulture & Agrifood Res Inst, Guangzhou 510610, Guangdong, Peoples R China

关键词： Pesticides; Toxin uptake and accumulation; Reproductive potential; Predators; Enzymatic properties

期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：4.7； 五年影响因子：4.7 ）

ISSN： 0048-3575

年卷期： 2023 年 192 卷

页码：

收录情况： SCI

摘要： The toxic effects of insecticides on predatory arthropods have closely related to their exposure routes. However, little is known about the effects of insecticide on reproductive parameters when the route of exposure occurs at a trophic level via prey intake. We therefore conducted current studies assessing whether Eocanthecona furcellata adults would be affected by feeding with lambda-cyhalothrin-contaminated prey. Reproductive parameters, i.e. pro-longed premating and preoviposition durations, reduced number of egg batches and egg amount, disturbed ovarian development, and suppressed expression of reproductive related genes were observed in E. furcellata females by feeding with treated prey. Moreover, reduced survival rate and altered carbohydrate metabolism parameters were detected in male bugs. Biochemical parameters, including MDA content, the activities of three antioxidant enzymes and three detoxification enzymes exhibited sex-specific responses after oral-exposure to lambda-cyhalothrin in E. furcellata. The results indicate that the insecticide affects the fitness and leads to impairing reproductive potential via sex-specific modulation manner in predator insects. Taken together, our results pro-vide a comprehensive assessment about detrimental impacts of lambda-cyhalothrin-exposure on predators via prey intake, as well as a solid basis for further research to protect the predators from hazardous impacts of insecticides.

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