柑桔锈螨 Phylloptrula oleivora(Ashmead)的越冬问题,目前国内还有些争议。我们近几年在湖南省道县对越冬虫态、越冬场所及其分布等进行了初步调查研究,表明在道县柑桔锈螨的卵、若虫和成虫皆可越冬,主要在受潜叶蛾为害的僵叶、秋梢叶片等处越冬。在冬季连续晴暖时,成、若虫可取食为害,部分越冬卵可孵化为若虫。现将结果报告如下:一、研究方法1.越冬虫态调查:1986年12月～1987年3月,1987年12月～1988年3月,分别每10～30天调查一次,定株选取东、南、西、北、中五个方位,每个方位各取一片潜叶蛾为害的叶片和1片秋梢正常 Citrus rust mites Phylloptrula oleivora (Ashmead) overwintering problem, at present, there are still some controversy. In recent years, we conducted a preliminary investigation on the overwintering insect population, overwintering sites and their distribution in Daoxian County, Hunan Province. It indicated that eggs, nymphs and adults of citrus red mite in Dongxian County were overwintering, Damaged dead leaves, autumn leaves and other places overwintering. Continuous sunny in the winter when, into, nymphs can eat harm, part of the winter eggs can hatch into nymphs. The results are reported as follows: First, the research methods 1 overwintering insect state survey: December 1986 ~ March 1987, December 1987 ~ March 1988, were investigated every 10 to 30 days, , South, West, North, Central, five directions, each taking a blade of leaf miner damage and a normal fall tip