根据在柑桔瘤壁虱严重发生的惠水县定桔园、定株、定枝条系统对新芽、新梢、花、果柄受害率及新虫瘿密度调查的结果说明:新虫瘿形成的时期主要在春季,平均1米枝条有新虫瘿196个;春芽、春梢、花和果柄的被害率亦最高,分别为83％、97％、100％和92％。而夏、秋梢的被害和新虫瘿密度均显著低于春季,而主要是瘿体逐渐增大愈合。 According to the results of the investigation on the damage rate of new shoots, shoots, flowers, stems and new insect density in Dingliyuan, Dingzhu, Dingzhi, Huishui County, where citrus nematode ticks occurred seriously, During the spring, the average number of new insects was 1 meter with 196 worms. The highest damage rates of spring buds, spring shoots, flowers and fruit stalks were 83%, 97%, 100% and 92% respectively. The summer and autumn shoots of the victims and the new insect density were significantly lower than the spring, while the main body is gradually increased healing.