黑刺粉虱是茶树的重要害虫之一。近年来 ,在丽水茶区发生普遍 ,多次猖獗为害 ,给茶叶生产带来较大的损失 ,该害虫均以幼虫群集于叶背刺吸茶树汁液 ,其分泌物能招致煤菌寄生并诱发煤病 ,使树势衰退 ,发芽减少 ,严重时可导致茶园一片乌黑 ,叶片大量脱落 ,甚至茶树死亡。因此 ,加 Blackthorn whitefly is one of the important pests of the tea tree. In recent years, tea plantation in Lishui prevalence, rampant for many times to harm the tea production to bring greater losses, the pests are clustered in the back of the larvae of tea leaf thorn sucking juice, its secretion can lead to coal bacteria parasitic and induced coal Disease, the decline of the tree potential, reduce germination, serious can lead to a black tea plantation, a large number of leaves off, and even the death of tea trees. Therefore, plus