我们于1988年2—12月,在云南省华宁县禄丰村柑桔场10年生温州蜜柑园定点系统开展了矢尖蚧发生规律及寄生性天敌调查,并进行了防治试验。 1.虫口组成:以雌成虫最多,占种群数的68.8％,若虫仅占31.2％。雌成虫中,以未产卵雌成虫最多,占雌成虫种群数的71.8％,产卵雌成虫 From February to December 1988, we conducted the survey on the occurrence and the control of parasitic natural enemies in the 10-year-old Wenzhou Orange Garden site of Citrus Orange Farm, Lufeng Village, Huaning County, Yunnan Province. 1. Insect mouth composition: the largest female adult, accounting for 68.8% of the population, nymphs accounted for only 31.2%. Female adults, the largest number of non-oviposition females, female population accounted for 71.8% of the number of females, ovipositing female adults