近年来 ,浙江毛竹山区发生了一种毛竹锈褐斑病 ,经初步鉴定 ,该病由竹裂爪螨(Schizotetranychus bambusae Reck)引起的 ,主要为害毛竹 ,但也能为害早竹、雷竹、哺鸡竹、淡竹、石竹、刚竹、苦竹等竹种。目前危害毛竹特别严重 ,株发病率 50 %～ 10 0 % ,感病指数 2 6 .2～ 78.8,引起大量落叶 ,造成竹子生长迟缓 ,竹材质量、出笋量和毛竹的立竹量大大下降 ,严重的导致竹林全部枯死 ,竹山荒芜。 In recent years, a phyllocnic brown spot has occurred in Moso Mountain area in Zhejiang Province. After initial identification, the disease is caused by Schizotetranychus bambusae Reck, which is mainly harmful to Phyllostachys pubescens, Chicken, light bamboo, Diantan, just bamboo, bamboo and other bamboo species. At present, the damage to bamboo is particularly serious, the incidence of 50% ~ 10% of the strains and the susceptibility index of 26.2 ~ 78.8, causing a large number of deciduous leaves, resulting in slow growth of bamboo, bamboo quality, bamboo shoots, Seriously lead to all the dead bamboo, bamboo hills barren.