Results Xenopsylla Cheopis is dominant flea and wide distribution in Yunnan province.its vector efficiency is 0.241,vector index is 0.033,colony infect rate is 94.4%,bloodsucking rate is 100%.

• 结果致痒蚤分布范围广泛；数量多；是云南省居民地区地面蚤的优势种；其媒介效能为0.；033；集群传疫率为94