预测东亚飞蝗的发生量,对防治稀密度蝗虫显得更为迫切,它关系到防治计划的准确性,并可达到及时消灭和节约用药的目的。 掌握飞蝗发生基数主要在查成虫(查残),了解成虫分布的地点、面积和密度;同时还须知道产卵量。但是目前调查产卵量的方法,仅依靠大田饲养 Predicting the occurrence of migratory locusts in East Asia is even more urgent for the prevention and control of sparse locusts. It is related to the accuracy of prevention and control plans and can achieve the goal of eliminating and saving medication promptly. Grasping the main occurrence of migratory locusts check adult (check residue), to understand the location of adult distribution, size and density; also need to know the amount of eggs. However, the current method of surveying the amount of eggs laid depends only on the field feeding