绿绵蚧在上海地区一年发生１ 代，以２ 龄若虫在珊瑚树的枝叶上越冬，４ 月中旬雌雄开始分化。雄成虫羽化高峰在４ 月下旬，雌成虫孕卵在４ 月下旬到５ 月下旬，孕卵高峰在５ 月上旬。产卵期在５ 月上旬到６ 月上旬，产卵高峰在５ 月上中旬。若虫期发生在５ 月中旬到６ 月中旬，若虫孵化高峰期在５ 月底６ 月初。 Melanogaster Occurred in Shanghai a year generation, with 2 instar nymphs in the branches and leaves of coral overwintering, mid-April male and female began to differentiate. Male adult emergence peak in late April, the female adult eggs in late April to late May, the peak of ovulation in early May. Spawning period from early May to early June, spawning peak in mid-May. Nymphs occur in mid-May to mid-June, and the nymphs hatch peak at the end of May and early June.