思南、荔波两县为我省淋巴丝虫病、疟疾等寄生虫病流行区，主要传播媒介为致倦库政、中华按蚊和雷氏按蚊，但缺乏嗜血习性方面的资料。为此，1995～1996年对两县进行了调查及试验研究c回材料和方法11收集蚊虫胃血标本分别在两县选择有代表性的人房、牛房和猪圈作捕蚊点。7～9月 Sinan and Libo counties are the endemic areas for parasitic diseases such as lymphatic filariasis and malaria in our province. The main vectors are Zhiweikuzheng, An. Sinensis and An. Reesei, but lack of information on the habits of bloodthirsty. To this end, from 1995 to 1996 conducted a survey of two counties and pilot studies c back materials and methods 11 collected mosquito stomach blood samples were selected in two counties of human, cow and pig for mosquito points. 7 ~ September