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期 刊 ：植物保护学报 1997年

关键词：台湾稻螟；分龄分级；发生期预测；

Keywords:Taiwan rice stem borer, grading standards of development, occurrence time forecast,

摘 要 ：作者采用室内外结合的方法,根据台湾稻螟幼虫、蛹、卵的形态特征,制定了台湾稻螟分龄分级标准,并按所测定的相应虫态历期,采用分龄分级法进行了3年的发生期预测验证,平均准确率达96.7％,用于指导大田防治1.93万hm~2,平均防治效果达85.8％。

Abstract:Based on the morphological characteristics of larva ,pupa and egg of Taiwan rice stem borer Chilotraea auricilia (Dudgeon), the standards for differentiating the instars of larvae and developmental grades of pupae and eggs were determined,and an occurrenc

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