【作者】 吕文彦； 秦雪峰；

【Author】 LU Wen-yan QIN Xue-feng (Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang 453003)

【机构】 河南科技学院植物保护系；

【摘要】 通过对黑刺粉虱室内外观察研究发现,黑刺粉虱主要以若虫为害火棘叶片,严重时易招引煤烟病的发生。在新乡一年发生4代,第一代发生整齐,以老熟若虫、伪蛹或卵在寄主叶背越冬。更多还原

【Abstract】 After researching to Aleurocanthus spiniferus (Quaintance) inside and outside the room, It mainly feed on Pyra-cantha sp. leaves and lead to soot and disease when serious occurrence. It can complete four generations every year in Xinxiang. The 1st generation occurs neatly, It lives on the back side of the host plant leaf with the mature nymph, the false pupae or egg during winter.更多还原