石榴树是鲁西南地区城乡群众主要的观赏和食果树木之一,近年受绢网蛾Herdoniaosacesalis Walken为害严重,群众说自幼苗移栽到开花结实,虫害枝逐日增加,五龄生树虫害枝占全株枝条的10—20％;七龄生树虫害枝占40—60％。被害枝条蕾花稀疏多败育,大量空枝,失去观赏与食用价值。无奈只好将树干锯掉,重发新树,新树复遭为害,周而复始,对石榴生产已构成严重威胁。为此,我站于1986—1989年对该虫的发生情况进行了调查,31处的乡镇农户有主要石榴品种树2168 Pomegranate tree is one of the major ornamental and fruit tree species in the urban and rural areas in southwestern Shandong Province. In recent years, the pomegranate tree is severely damaged by the Herdonia osacesalis Walken. The masses said that since the young seedlings transplanted to flowering and fruiting, the insect pest branches increased day by day, Strands of 10-20%; seven instar pest branches accounted for 40-60%. Prickly branches rose sparse sprinkle more abortion, a large number of empty branches, loss of ornamental and food value. Helpless saw the trunk off, reissue the new tree, rehabilitation of the new tree damage, go back and forth, the pomegranate production has posed a serious threat. To this end, I conducted a survey on the occurrence of the pest in 1986-1989. The township and town farmers at 31 places have the main pomegranate tree 2168