Acute Toxicities and Sublethal Effects of Some Conventional Insecticides on Trichogramma chilonis (Hymenoptera: Trichogrammatidae)

The acute toxicity of 10 conventional insecticides to adult of Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) was bioassayed by membrane method, and then their sublethal effects on the parasitoid were evaluated in the laboratory. Based on sublethal concentration (LC30) values at 8 h af...

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Veröffentlicht in:	Journal of economic entomology 2012-08, Vol.105 (4), p.1157-1163
Hauptverfasser:	Wang, De-Sen, He, Yu-Rong, Guo, Xiang-Ling, Luo, Yong-Li
Format:	Artikel
Sprache:	eng
Schlagworte:	acute toxicity adults Animal, plant and microbial ecology Animals application timing Applied ecology avermectins Bacillus thuringiensis Biological and medical sciences BIOLOGICAL AND MICROBIAL CONTROL chlorfenapyr chlorfluazuron Control Ecotoxicology, biological effects of pollution fecundity Female females fipronil Fundamental and applied biological sciences. Psychology Generalities indoxacarb Insecta insecticide Insecticides Invertebrates Lethal Dose 50 life-table parameter longevity Male mortality parasitoids Phytopathology. Animal pests. Plant and forest protection progeny Protozoa. Invertebrates spinosad sublethal effect sublethal effects tebufenozide toxicity Trichogramma chilonis Wasps
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Zusammenfassung:	The acute toxicity of 10 conventional insecticides to adult of Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) was bioassayed by membrane method, and then their sublethal effects on the parasitoid were evaluated in the laboratory. Based on sublethal concentration (LC30) values at 8 h after treatment, we determined that adult T. chilonis were the most susceptible to chlorfenapyr, followed by fipronil, spinosad, avermectins, β-cypermethrin, and cartap, with lethal concentration (LC)30 values of 0.3133, 0.3269, 1.5408, 3.2961, 6.1469, and 9.021 mg/liter, respectively. The field-recommended concentrations of chlorfluazuron, indoxacarb, Bacillus thuringiensis, and tebufenozide caused
ISSN:	0022-0493 1938-291X 0022-0493
DOI:	10.1603/EC12042