The seasonal growth of larva at CSIA: two peaks of density appeared in June and September with mosquito density of 37%; average positive pot was 7.94, and zero during January and Febrery.

• 蚊虫季节消长；蚊幼虫季节消长全年最高峰是在6月和9月蚊密度为37%25；阳性罐平均为7.；94只在1、2月蚊幼密度为0进入越冬期;