Background: The integrated use of plant-derived volatile attractants and synthetic insecticides in attract-and-kill programs could provide a basis for selective and environmentally-acceptable pest management strategies with applicability for use against multiple pests. Ryanoid insecticide, chlorantraniliprole, has been found to present a potential for use in attract-and-kill strategies against the cotton bollworm Helicoverpa armigera, however lethal and sublethal effects on the adults have not been investigated yet. Results: Laboratory trials showed how chlorantraniliprole was active against H. armigera adults, with respective lethal concentration LC20 and LC50 values of 0.010 and 0.036 mg L-1. Following exposure to a low lethal concentration (LC20) and LC50, mating rate, fecundity and longevity of both H. armigera sexes were substantially reduced. Egg hatching was lowered 2- and 5-fold in LC20- and LC50-treated H. armigera pairs, respectively. When exposed to LC50 of chlorantraniliprole, the net reproduction rate (R0), intrinsic rate of increase (r) and finite rate of increase (λ) were reduced when compared to control treatments. Significantly lower effects were observed on the subsequent development and growth of H. armigera in subsequent generations. Following adult exposure to the two concentrations tested, no effects were observed on detoxification enzymes i.e., carboxyl esterase (CarE), glutathione S-transferase (GST) or mixed function oxidase (MFOs). Conclusions: Chlorantraniliprole concentrations could lower H. armigera adult survival and reproduction, and the LC50 showed high potential for being used to control H. armigera through attract-and-kill schemes.

中文翻译：

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氯氰菊酯对棉铃虫成虫的致死和亚致死作用增强了“吸引和杀死”控制策略的应用潜力

背景：在诱杀计划中综合使用植物来源的挥发性引诱剂和合成杀虫剂可为选择性和环境可接受的有害生物管理策略提供基础，这些策略适用于多种有害生物。Ryanoid杀虫剂，chlorantraniliprole，已被发现具有潜在的杀灭棉铃虫Helicoverpa armigera的策略，但是尚未研究其对成虫的致死和亚致死作用。结果：实验室试验表明，氯虫腈具有抗棉铃虫成虫的活性，其致死浓度LC20和LC50分别为0.010和0.036 mg L-1。暴露于低致死浓度（LC20）和LC50后，两个棉铃虫性别的交配率，繁殖力和寿命都大大降低了。在LC20和LC50处理的棉铃虫对中，卵孵化率分别降低了2倍和5倍。与对照处理相比，当暴露于氯丙胺的LC50时，净繁殖率（R0），内在增加率（r）和有限增加率（λ）降低。在随后的世代中，对棉铃虫随后的发育和生长观察到明显较低的影响。成人暴露于两种浓度的测试后，未观察到解毒酶，即羧基酯酶（CarE），谷胱甘肽S-转移酶（GST）或混合功能氧化酶（MFOs）的影响。结论：氯氰菊酯浓度可降低棉铃虫成虫的存活和繁殖，LC50具有通过吸引和杀死机制控制棉铃虫的高潜力。