2013年~2016年在自然条件下连续观察,清江河谷地带柑橘大实蝇羽化出土时间在5月上中旬,入园时间在5月下旬至6月初,交配产卵高峰期在6月中下旬;15:00~17:00是成虫在园内活动高峰时段;9月下旬老熟幼虫开始入土化蛹,虫果脱落高峰期在10月中下旬。抓住大实蝇自然行为关键时期进行防治才能提高防治效果。 From 2013 to 2016, it was continuously observed under natural conditions. The emergence of citrus tarsal in the Qingjiang River valley was in mid-May and the admission time was from the end of May to the beginning of June. The peak of mating spawning occurred in mid- 15: 00 ~ 17: 00 is the peak activities of adults in the park; late September mature larvae began to soil pupation, fruit peach off peak in late October. To seize the key period of natural behavior of Dianthus to prevent and control in order to improve the control effect.