【摘要】 本文论述南方豆天蛾Clanis bilineata(Walker))在贵州一年发生1～2代。老熟幼虫在土中越冬。卵散产于叶背,7～9天孵化;幼虫共五龄,历期31.5～48.5天;蛹期为14～18天;成虫寿命6～9天,全年以6～8月危害最烈,是刺槐的主要害虫。并提出了防治方法。更多还原

【Abstract】 This paper deseribes the biological characteristics of clanis bilineata. The walker has one or two generations per year in Guizhou. The matured larva hiberates in the soil.The eggs of the insect are laid singularly on the underside of the tree leaf They are hatehed in 7—9 days The larval period includes five instars. Its developmmt lasts 31.5～48.5 days. The pupal stage varies from 14 to 18 days. The adults live for 6～9 days, thusthe frees were attacked all the year round, with the serious damage from june to August.The control of the pest is also proposed.更多还原