柑桔锈螨 Pnyvzocoptruta ozeiuora(Asnmead)是柑桔的重要害虫。在广东整年均可发生为害,年发生24代以上。受害果树叶片发黄脱落,树势弱,花芽分化差,座果率低。受害重者减产40～80%,甚至失收。柑果受害成僵皮黑果。据广州、佛山市病虫测报站调查,常年柑园被害黑皮果率5～10%,严重的达20～75%。受害果质量差、价值低,佛山市每年 Citrus rust mite Pnyvzocoptruta ozeiuora (Asnmead) is an important pest of citrus. Damage can occur throughout Guangdong for more than 24 generations. Injured fruit leaves yellow off, tree weak, poor flower bud differentiation, low fruit set. Major victims of the cut 40 to 80%, or even lost. Citrus fruit damage into a black skin. According to Guangzhou, Foshan pest survey station survey, perennial Citrus Parked black fruit rate of 5 to 10%, a serious up to 20 to 75%. Victims of poor quality, low value, Foshan every year