八种杀虫剂对韭菜迟眼蕈蚊发育和繁殖的亚致死效应

›› 2005, Vol. 48 ›› Issue (1): 147-150.

八种杀虫剂对韭菜迟眼蕈蚊发育和繁殖的亚致死效应

慕卫，刘峰^*，贾忠明，赵德，慕立义

出版日期:2005-03-20 发布日期:2005-02-20

Sublethal effects of eight insecticides on development and reproduction of Bradysia odoriphaga

MU Wei, LIU Feng^*, JIA Zhong-Ming, ZHAO De, MU Li-Yi

Online:2005-03-20 Published:2005-02-20
Contact: LIU Feng

摘要/Abstract

摘要： 用胃毒触杀法确定8种常用杀虫剂对韭菜迟眼蕈蚊Bradysiaodoriphaga 3龄幼虫的LC₂₀和LC₅₀剂量后，以其LC₂₀分别处理3龄幼虫，将存活幼虫正常饲养，测定该剂量药剂对韭菜迟眼蕈蚊化蛹率、蛹重、羽化率，成虫存活率、雌雄比、单雌产卵量及卵孵化率等指标的影响。结果表明:毒死蜱等4种药剂的影响较显著，其影响程度由高到低依次为毒死蜱＞辛硫磷＞阿维菌素溴虫腈；而另4种药剂丙硫克百威、灭多威、丁硫克百威和吡虫啉则影响不显著。此外也测定了用后4种药剂LC₅₀剂量处理的存活试虫的上述生物学指标，结果表明：除化蛹率和羽化率较对照降低且差异显著外，其他生物学指标与对照处理无明显变化。

关键词: 韭菜迟眼蕈蚊, 杀虫剂, 亚致死效应, 生物学指标

Abstract: After the LC₂₀and LC₅₀ of eight insecticides to the 3rd instar larvae of Bradysia odoriphaga were determined, the effects of eight insecticides in sublethal doses to the biology of survival larvae were compared.The biological parameters included larval mortality after 72 h, adult survival rate 72 h after emergence, pupation rate, female pupa weight, emergence rate, sex proportion (♀：♂), eggs laid per female and egg hatchability.For chlorpyrifos, phoxim, abamectin and chlorfenapyr, the effect of sublethal doses were significant and in the order chlorpyrifos＞phoxim＞abamectin ≌ chlorfenapyr; but for benfuracarb, methomyl, carbosulfan, and imidacloprid, the effect was not obvious.Compared with the control, there were no differences except pupation rate and emergence rate in the survival individuals treated at the dose of LC₅₀ with benfuracarb, methomyl, carbosulfan, imidacloprid.

Key words: Bradysia odoriphaga, insecticide, sublethal effects, biological parameters

慕卫，刘峰^*，贾忠明，赵德，慕立义. 八种杀虫剂对韭菜迟眼蕈蚊发育和繁殖的亚致死效应[J]. , 2005, 48(1): 147-150.

MU Wei, LIU Feng^*, JIA Zhong-Ming, ZHAO De, MU Li-Yi. Sublethal effects of eight insecticides on development and reproduction of Bradysia odoriphaga[J]. , 2005, 48(1): 147-150.

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