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荔枝瘿螨(Eriophyes litchi Keifer)。在荔枝、龙眼造成的为害,过去称为毛毡病,近年在桂南各地有逐步发展趋势。此螨已成为荔枝龙眼上的重要害螨。荔枝被害梢率最大达到54%,龙眼被害梢率最大达到69.6%,已严重地影响结果及树势生长。荔枝瘿螨无明显越冬现象,一年四季均可繁殖为害,被害叶率春梢为32.6%,夏梢为27.2%,秋梢为17.4%,冬梢为7.4%。被害嫩叶开始时长出稀疏的绒毛,初期毛毡呈灰白色,经17~34天后变为黄褐色,再经一星期左右转为红褐色,以后转为黑褐色。嫩果被害也出现毛毡,严重时导致落
Eriophyes litchi Keifer. Litchi, longan caused damage, in the past known as blanket disease in recent years in various parts of Guinan have a gradual development trend. This mite has become an important pest on litchi longan. Lychee was attacked the highest rate of 54%, longan was the highest rate of 69.6%, has seriously affected the results and the growth of tree vigor. Litchi scabies mites no obvious phenomenon of overwintering, all year round can breed harm, the victim leaves spring rate of 32.6%, summer shoots of 27.2%, autumn shoots of 17.4%, winter shoots of 7.4%. Victims of young leaves grow sparse villi, the initial blanket gray, after 17 to 34 days into a brown, then by a week or so into a red-brown, later turned to dark brown. Tenderness also appeared blankets, causing serious falls