Conclusion The seasonal fluctuation of R. flavipectus and the species composition of parasitical fleas were clear.The host animal and Xenopsylla cheopis should be controled.

• 结论摸清了合浦县黄胸鼠及其寄生蚤的种类、构成和季节消长，表明它们仍是合浦县鼠疫预防控制的主要对象。