白背飞虱产卵观察白背飞虱是我市水稻的常发性害虫，主害代为第三代（全国统一标准为第五代），该代若虫盛发期在７月底至８月初。此时，稻飞虱以白背飞虱为主，占９２％左右。一些文献资料介绍，稻飞虱卵主要产在稻株下部叶鞘的组织内，少数产在叶片基部的中肋。我们观察... White-backed planthopper spawning observation White-backed planthopper is a common pest of rice in our city, with the main generation being the third generation (national standard for the fifth generation), the generation of nymphs flourishing period from the end of July to early August. At this point, the main planthopper whitebacked louse, accounting for about 92%. Some literature data show that the main planthopper eggs produced in the lower leaf sheath of rice plant tissue, a few produced in the base of the leaf rib. We observe ...