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首页> 外文期刊>Journal of Economic Entomology >Insecticide Toxicity to Adelphocoris lineolatus (Hemiptera: Miridae) and its Nymphal Parasitoid Peristenus spretus (Hymenoptera: Braconidae)
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Insecticide Toxicity to Adelphocoris lineolatus (Hemiptera: Miridae) and its Nymphal Parasitoid Peristenus spretus (Hymenoptera: Braconidae)

机译：杀虫剂对线虫Adelphocoris lineolatus（Hemiptera：Miridae）和其若虫寄生性Peristenus spretus（膜翅目：Braconidae）的毒性。

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摘要

In China, Adelphocoris lineolatus (Goeze) (Hemiptera: Miridae) is an important pest of alfalfa, cotton, and other crops, while Peristenus spretus (Chen & van Achterberg) (Hymenoptera: Braconidae) is the dominant nymphal parasitoid of this mirid bug. In the present study, the toxicity of 17 common insecticides to A. lineolatus was evaluated, and the susceptibility of P. spretus to the insecticides with high toxicity to A. lineolatus was tested under laboratory conditions. Of the 17 insecticides tested, 12 (beta cypermethrin, deltamethrin, carbosulfan, acetamiprid, emamectin benzoate, imidacloprid, phoxim, chlorpyrifos, acephate, profenophos, hexaflumuron, and abamectin) had a highly toxic effect on second-instar nymphs of A. lineolatus, with LC50 values ranging from 0.58 to 14.85 mg a.i. (active ingredient) liter(-1). Adults of P. spretus were most sensitive to chlorpyrifos, with LC50 values of 0.03 mg a.i. liter(-1), followed by phoxim, acetamiprid, profenophos, carbosulfan, acephate, deltamethrin, emamectin benzoate, imidacloprid, beta-cypermethrin, and abamectin, with LC50 values ranging from 0.06 to 3.09, whereas hexaflumuron exhibited the least toxicity to the parasitoid, with LC50 values >500 mg a.i. liter(-1). A risk quotient analysis indicated that beta-cypermethrin, emamectin benzoate, abamectin, and hexaflumuron when applied against A. lineolatus were the least toxic to P. spretus.
机译：在中国，线虫（Adelphocoris lineolatus（Goeze）（半翅目：，科））是苜蓿，棉花和其他农作物的重要害虫，而Peristenus spretus（Chen＆van Achterberg）（膜翅目：Bra科）则是该虫的显性若虫寄生。在本研究中，评估了17种常见杀虫剂对线虫的毒性，并在实验室条件下测试了对链球菌对线虫高毒性杀虫剂的敏感性。在所测试的17种杀虫剂中，有12种（β氯氰菊酯，溴氰菊酯，硫丹，扑热息痛，苯甲酰胺氨草酸盐，吡虫啉，辛硫磷，毒死rif，乙酰甲酸盐，普罗芬诺磷，六氟磺隆和阿巴菌素）对二龄ny虫具有高度毒性作用。 LC50值为0.58至14.85 mg ai （有效成分）升（-1）。成年对虾对毒死rif最敏感，LC50值为0.03 mga.i。升（-1），其次是辛硫磷，扑热息痛，丙硫磷，碳硫丹，乙酰甲胺磷，溴氰菊酯，氨苯菌灵苯甲酸酯，吡虫啉，β-氯氰菊酯和阿维菌素，LC50值在0.06至3.09之间，而六氟尿嘧啶对寄生虫的毒性最小，LC50值> 500 mg ai升（-1）。风险商分析表明，当针对线虫曲霉使用β-氯氰菊酯，苯甲酸酯阿米菌素，阿维菌素和六氟脲时，对链霉菌的毒性最低。

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