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板栗是一种经济价值很高的粮食树种,分布广,发展快。但板栗易受多种病虫为害,其中黑星天牛 AnoplophoraLeechi(Gahan)尤为突出。如我县重要产区文家市公社的板栗,受害后严重歉收,该社坳背冲等地几十以至上百年的板栗树全部枯萎。据资料报道,黑星天牛广布于华北、华东、中南各大区,近年来我省益阳地区亦发现其危害。1970年以来,
Chestnut is a kind of food tree with high economic value, which is widely distributed and developed rapidly. However, chestnut is susceptible to many pests, especially Anoplophora Leechi (Gahan). For example, the chestnut of Wenjia commune, an important producing area in our county, suffered a serious failure after the victimization. The chestnut trees of dozens to hundreds of years in the village of Au Chongchu of the commune were all withered. According to information reported, black star cephalopods widely spread in North China, East China, South Africa in major regions, Yiyang region in recent years also found its harm. Since 1970,