梨木虱是巴音郭楞州的果树害虫之一,主要危害梨树,近年来发生危害越来越重。梨木虱刺吸叶片汁液,使受害叶片沿主脉向背面弯曲。若虫分泌大量黏液,使叶片粘满灰尘,引起黑霉菌寄生污染叶片和果实,导致果实发育不良,品质下降。1生活习性1.1梨木虱一年发生4～6代。成虫在树皮缝、落 Pear lice is one of the fruit pests in Bayinguoleng, the main hazard pear, in recent years more and more serious harm. Limber lice punctured the sucker juice so that the victim leaves bent to the back along the main veins. Nymph secretion of a large number of mucus, the leaves sticky dust, black mold parasitic contamination caused by leaves and fruits, leading to poor fruit development, quality decline. 1 habit of life 1.1 pear psylla 4 to 6 generations a year. Adult bark in the bark, fall