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本文调查记载了黑龙江省西部平原缓丘农区杨树害虫 2 6个科 94种 ,其中枝干部害虫 2 0种 ,叶部害虫 6 8种 ,地下害虫 6种 ,并对几种危害严重的害虫提出了综合防治措施
In this paper, the survey records 94 species of poplar pests in the gentle hills in the western plain of Heilongjiang Province, including 20 kinds of branch and branch pests, 68 kinds of leaf pests and 6 kinds of underground pests. And several kinds of harmful pests Put forward a comprehensive prevention and control measures