八角尺蠖(Dilophodes elegans sinica Prout)是广西八角产区的历史性大害虫.在六万林场上万亩八角成林中,均有不同程度发生。从1964年至今,八角尺蠖多次成灾,单株虫口数最高达二千头以上,造成八角严重减产。1984年此虫再次大发生。由于此虫对八角林的危害甚大,为了进行防治,对其发生量进行准确预测就显得十分必要。为此,笔者对此虫雌蛾的携卵量进行 The Dilophodes elegans sinica Prout is a historic pest in Guangxi’s Star anise producing area, which has varying degrees of occurrence in 10,000 hectares of forest. From 1964 up to now, the octagonal 蠖 repeatedly disaster, single insect population up to more than two thousand, resulting in a serious octagonal reduction. In 1984 the worm occurred again. Because of its great harm to the octagonal forest, in order to carry out prevention and control, to accurately predict the amount of it appears very necessary. To this end, the author carried the fecundity of female moths