关键词: 鼠型动物, 体外寄生虫, 带虫指数, 带虫率

Abstract: Murine-like animal and their exernal parasites were investigated in mountain area of Hainan Province from March to July in 1993.It was demonstrated that the murine-like animal coneisted of 15 species belonging to 5 genres、4 families,and 2 orders,The dominating species were Rattus rattus hainanicus、R·fulvescens.R·confucianus、 Neohyjomx hainanensis、R.coxing.which mainly distributed over mountain and bush area,Gamasidmites consisted of 8 species longing to 2 genres of 1 family,and the dominating species were Laelaps echidninus and L.fukienensis. Chiggers consisted of 8 species belonging to 3 gences of 1 family and the dominsting species were Ascoschoengastia indica and Gahrliepia Yangchenensis Ticks consisted of 8 species belonging to 5 genres of 1 family,and the dominating species were Haemaphysalis aponommoides H·doenitzi and Ixodes granulotus,The numbers of female ticks were more than male,and adult more than nymph,Fleas consisted of 3 species belonging to 3 genres of 2 families and the deminating species was Xenopsylla cheopis,The parasite carrying index and carrying rate of gamasid mite、chigger、tick、flea were 10.97 and 63.69%,10.15 and 28.77%、4.61 and 58.90%.0.1 and 6.16%、respectively. As far as the parasite Carrying index and Carrying rate were conceried, gamasid mites mainly affected R,fulvascens、R.coxing、R.C.lotips,Chiggers mairly affected R·rotfus hainanicus、Dremomys pernyi,R. losea;ticks mainly affected R.corfucianus,R.coxingi,R.eha:fleas mainly affected R.norvegicus and R.flavipectus.