Objective To provide the vector entomology data that help to determinate whether there are existing the plague nature foci and the probability in Huanxian county.

• 目的从传播媒介的角度探讨环县存在鼠疫自然疫源性的可能性,并为确定该地区是否存在鼠疫自然疫源性提供媒介昆虫学资料。