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甜菜夜蛾的发生为害与综合防治夏志贤山东曹县植保站２７４４００甜菜夜蛾〔Ｌａｐｈｙｇｍａｅｘｉｇｕａ（Ｈｕｂｎｅｒ）〕在曹县棉田属偶发、暴食性害虫，近年来常与棉铃虫混合发生，为害棉花日趋严重，已成为棉花上的重要害虫之一，如１９９２年８月２３日三代大发生...
Occurrence of Beet Armyworm and Comprehensive Prevention and Treatment XIA Zhixian Shandong Caoxian Plant Protection Station 274400 Laphygmaexigua (Hubner) is a sporadic and binge-eating pest in the cotton field of Caoxian County. In recent years, it often mixes with the cotton bollworm. The damage cotton is becoming more and more serious and has become One of the major pests on cotton, such as the Big Three occurred on August 23, 1992 ...