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，其分泌物能诱致煤病发生，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，甚至整丛、成片茶树死亡。因此，加? Blackthorn whitefly is one of the important pests of the tea tree. In recent years, widespread in Lishui tea area, many rampant damage, to bring greater loss of tea production. The pests are larvae clustered in the back of the leaf thorn suck tea juice, its secretions can cause coal disease occurs, the decline of the tree potential to reduce germination, serious can lead to a dark black tea leaves a large number of leaves off, and even the entire cluster, into a piece of tea death. Therefore, plus?