论文部分内容阅读
危害麻黄种子的小蜂主要为麻黄广肩小蜂Eurytamasp .,其在田间分布为P E核心分布 ,种子蛀食率为6 %～ 6 0 %。在内蒙古哲里木盟该虫 1年发生 2～ 3代 ,以 2代和 3代幼虫在麻黄种子内越冬 ,防治应采取种子处理和药剂防治越冬代成虫相结合的综防措施
The small bees that endanger the ephedra seed mainly Eurytamasp., Its distribution in the field as P E core distribution, the rate of seed eclipse feeding 6% ~ 60%. In Zhelem League, Inner Mongolia, the worm occurs for 2 to 3 generations in one year, and the second and third generation larvae winter in the ephedra seed. The prevention and treatment should take the integrated precautionary measures of combining seed treatment and pesticide control over the overwintering generation adults