江苏省蜱及其携带莱姆病螺旋体初步调查

Survey on Ixodoidea and Lyme Disease Spirochetes from Ixodes in Jiangsu Province

目的：了解我省莱姆病主要传播媒介蜱的种类、分布、消长及其携带莱姆病螺旋体情况。方法：在山区、林区用布旗法及动物体外捕捉法收集蜱，并进行病原体分离。结果：我省长江南北均有蜱存在，隶属１科２属４种；蜱密度有明显季节性，４月初出现，５～６月为高峰，８月逐渐下降，至１０月下旬消失；蜱研磨培养２５组５０管，３个月定期镜检，未发现莱姆病螺旋体。

We investigated on species composition, distribution, wax and wane of Ixodoidea and Isolated from Lyme disease spirochetes in eight cities and counties of Jiangsu province. We found that Ixodes distributed in south and north of Yangtse river. 1 family 2 genera and 4 species had been known in this area. Ixodes population varied in vary seasons. They appeared in April, got top in May and June, slowly dropped down in August, and disappeared in October every years. No Lyme disease spirochetes had been isolated from Ixodes.