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灰翅麦茎蜂(Cephus fumipennis Eversmann)是甘、青两省春小麦主要蛀茎害虫。近年来,麦茎蜂为害日趋严重,受害面积不断扩大,年损失小麦数千万kg。关于麦茎蜂的防治,国内主要采取成虫期药剂防治的方法。为了掌握最佳防治时期,提高药剂防治效果,作者对不同地区麦茎蜂成虫羽化出茧规律进行了研究。
Cephus fumipennis Eversmann is the major pest insects of spring wheat in Gansu and Qinghai provinces. In recent years, wheat stems and insects are increasingly serious damage, the victim area continues to expand, the annual loss of wheat tens of millions of kg. On the prevention and treatment of wheat stem bee, the main domestic adult medicine to take preventive methods. In order to grasp the best prevention and cure period and improve the effect of medicament control, the authors studied the law of emergence of cocoon adult in different regions.