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1981至1982两年中,我们通过在冬麦地埂越冬的地老虎幼虫;早春作物玉米、棉花地的地老虎幼虫饲养,初步搞清为害我县玉米、棉花的地老虎优势种是黄地老虎,为今后开展生物防治如颗粒体病毒的应用提供依据。 过去的文载中记述为害我县早春作物玉米、棉花的是黄地老虎。七十年代随着农作物病虫予测予报中黑光灯的使用,多年来发现灯下诱获的黄地老虎,警纹地老虎、八字地老虎三种蛾量中,警纹地老虎占优势。(表1)在玉米、棉花田间是否因扩大绿肥及其它越冬作物,黄地老虎与警纹地老虎营养条件改善,警纹地老虎有取优黄地老虎进
In the two years from 1981 to 1982, we used ground tiger larvae that winged in the winter wheat field to ground; young tiger larvae which were maize and cotton fields in early spring and were initially identified as the dominant species of yellow tiger , Provide the basis for the future application of biological control such as granulovirus. In the past, it was described in the text as a crop that harms my crop of early spring corn and yellow cotton. In the seventies, with the use of black light in the report of pests and diseases in crops, it has been found that the yellow tiger, the police tiger tiger, the tiger tiger, . (Table 1) In corn and cotton fields, due to the expansion of green manures and other overwintering crops, the nutrition of yellow tigers and police tigers improved.