槐木虱Cyamophila willieti(Wu 1932)是危害槐树和龙爪槐的剌吸式害虫。若虫共7龄,成虫有夏型和冬型之别。该虫在陕西一年2代,以成虫在树皮裂缝中越冬。若虫和成虫只危害当年生的叶或枝,10年以下的树木受害严重。采用羊毛脂膏剂涂干防治效果良好。 Cyamophila willieti (Wu 1932) is a pest-killing pest that damages Ash locust and locust tree. A total of 7 instar nymphs, summer type and winter-type adults do not. The insects in Shaanxi two generations a year to adults in winter bark cracks. Nymphs and adults harm only the leaves or branches of the year, and trees under 10 years of age suffer serious damage. Wool grease paste coated with good control effect.