PDF(Pubmed)
Abstract：
Quantifying compatibility among control agents is essential for development of integrated pest management (IPM). Chrysoperla carnea (Siemens) and insect growth regulator insecticides are widely used in IPM of Lepidoptera. C. carnea is a generalist predator naturally present in the Mediterranean agroecosystems and bred in insectariums for commercial purposes. Here, we evaluated lethal and sublethal effects of tebufenozide on C. carnea under laboratory conditions. The treatment of eggs with tebufenozide 24 or 48 h after they were laid did not affect the hatching rate or survival of the neonate larvae. Toxic effects of tebufenozide on topically treated larvae was low; development times of surviving larvae and pupae decreased significantly compared with controls. In choice bioassays, a high percentage of third-instar larvae chose prey (Spodoptera littoralis) treated with tebufenozide in preference to untreated prey. Moreover, second-instar larvae of C. carnea that had previously consumed tebufenozide-treated prey (0.75 mL/L) had significantly reduced larval development time compared with controls, while longevity of surviving adults, fecundity and egg viability were unaffected. Ingestion of tebufenozide by adults of C. carnea at the recommended field dose had no significant effect on female fecundity, egg viability or adult longevity. Tebufenozide exhibited low toxicity towards the developmental stages of C. carnea and is therefore a candidate for inclusion in IPM strategies.
摘要：
控制剂之间的定量相容性对于发展综合虫害管理（IPM）至关重要。Chrysoperlacarnea（西门子）和昆虫生长调节剂杀虫剂被广泛用于鳞翅目的IPM。C.carnea是天然存在于地中海农业生态系统中的通才捕食者，并出于商业目的在昆虫院中繁殖。这里,我们在实验室条件下评估了替布诺嗪对C.carnea的致死和亚致死作用。产卵后24或48小时用替布诺肼处理卵不会影响新生幼虫的孵化率或存活率。替布诺肼对局部处理的幼虫的毒性作用较低；与对照组相比，存活的幼虫和p的发育时间显着减少。在选择生物测定中，较高比例的三龄幼虫选择了用德布非诺齐治疗的猎物（斜纹夜蛾），而不是未经治疗的猎物。此外，C.carnea的二龄幼虫，以前曾食用过tebufenozide处理的猎物（0.75毫升/升）有显著减少幼虫发育时间与对照组相比，虽然幸存的成年人长寿，繁殖力和卵活力不受影响。在推荐的野外剂量下，成人卡内梭菌的摄入对女性的繁殖力没有显着影响，卵的生存能力或成虫的寿命。替布非诺肼对C.carnea的发育阶段表现出低毒性，因此是IPM策略中包含的候选物。
