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柑桔恶性叶 ,俗名黑壳虫、黑蚤虫 ,目前只危害柑桔。剑河县历年发生很轻 ,但近几年来 ,由于部分桔园管理粗放、病虫枝、霉桩及地衣苔藓多 ,为成虫越冬与幼虫化蛹提供了有利条件。据２０００年４月中旬城关附近果园调查 ,柑桔嫩梢被害率达６６．７ % ,被害株率达８５ %以上。?
Malignant leaves of citrus, commonly known as black beetle, black fleas, the current only endanger the citrus. Jianhe County has been very light in recent years. However, in recent years, due to the extensive management of some orange groves, many pests, such as pests and insect pests, mildew piles and moss lichen, provide favorable conditions for overwintering adult larvae and pupae. According to a survey conducted in orchards near Chengguan in mid-April 2000, the rate of murder of fresh shoots of citrus reached 66.7% and the rate of victim plants exceeded 85%. ?