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大叶黄杨Euonymus japonicus Th-unb是城市、庭园观赏植物,近几年来,我所的大叶黄杨被丝棉木金星尺蠖Calosp-ilos suspecta(Warren)危害,最为严重的是第二代,树叶全部食尽。为了防治这一害虫,1979年我们进行了化学农药和赤眼蜂防治试验。丝棉木金星尺蠖属鳞翅目Lepidopt-era,尺蛾科Geometridae。在长沙每年
Euonymus japonicus Th-unb is a city or garden ornamental plant. In recent years, the Euonymus japonicus Th-unb has been endangered by the Calosp-ilos suspecta (Warren) Exhausted. In order to prevent this pest, in 1979 we conducted chemical pesticides and Trichogramma control experiment. Cottonwood Venus Rutilus Lepidoptera Lepidopt-era, Geometridae moth family. Every year in Changsha