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1998、 1999年在易县解村林场、西陵林场、中独乐村 ,对李实蜂的发生特点进行了调查和研究。结果表明 ,李实蜂在河北易县 4月初为羽化高蜂 ,和李树盛花期相吻合 ;第 1代幼虫于 5月下旬脱果。不同品种、树膛内外 ,李实蜂的为害程度有极显著差异 ;而不同方向、不同高度的为害程度则无明显差异 ;幼虫的空间分布型为随机分布。根据研究结果和李实蜂发生现状 ,提出在全省李树新品种推广区加强监测和治理的原则建议
1998 and 1999 in Yixian Jiecun Forest Farm, Xiling Forest Farm, Zhonglu Lok Village, the occurrence of the characteristics of Li was investigated and studied. The results showed that Li was the first bee Hymenoptera in early April in Hebei Yi County, which matched the flowering date of Li Shusheng. The first larvae took off in late May. Different species, both inside and outside the tree trunk, Lee solid wasp damage degree has a very significant difference; and different directions, different levels of the degree of damage was no significant difference; larvae of the spatial distribution of random distribution. According to the research results and the status quo of Li Shi-bei, this paper puts forward the principle of strengthening the monitoring and management in the promotion area of Li-Shu new breed in the province