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아메리카잎굴파리 기생봉, Hemiptarsenus sp.의 발육특성 및 살충제의 영향
문형철(Moon Hyung Chol),최정식(Choi Jeong Sik),황창연(Hwang Chang Yeon) 한국농약과학회 2000 농약과학회지 Vol.4 No.4
The study was conducted to investigate the developmental periods and effect of several insecticides on Hemiptarsenus sp., ectoparasitoid of Liriomyza trifolii. The mean length and width of egg were 0.5㎜ and 0.1㎜. The mean length of larva, pupae, abult female, and abult male were 1.9㎜, 2.0㎜m 2.2㎜, and 1.8㎜, respectively. Developmental periods of Hemiptarsenus sp. from egg to larva at 15, 20, 25, 30℃ were 16.9, 8.8, 5.9, and 4.5 days, and those of pupa were 20.7, 9.7, 5.6, and 3.4 days, respectively. Based on these results, developmental threshold temperatures and effective temperatures were 9.5℃, 91.5 degree-days in egg-larval stage, 10.9℃, 142.3 degree-days in pupal stage. When several insecticides were evaluated to Hemiptarsenus sp. at the recommended concentrations, B.t WP, diflubenzuron WP, and cyromazin were negligiblly effective all life stages. Fipronil SC, cartap SP, spinosad GW were less toxic to larva and pupa, but highly toxic to adults. Abamectin EC was less toxic to all life stages, but inhibited oviposition of 50% more to Hemiptarsenus sp. female.