1987年10月14日,在长白县马鹿沟乡,自捕到鸟体捡获西迪米狭蚤1♀。1987年6月30日,自褐家鼠体捡获囊禽刺螨1♀。西迪米狭蚤宿主为黑线姬鼠、大林姬鼠、黑线仓鼠、东方田鼠和褐家鼠等;囊禽刺螨宿主为家禽和鸟类。证明在吉林省东部山区也存在鸟、鼠交换携带体外寄生虫的现象。我国西北地区有些鸟可同鼠类同穴居住,因而鸟、鼠交换携带体外寄生虫的现象普遍存在。但吉林省尚未见到鸟、鼠同穴居住,致使交换携带体外 October 14, 1987, in Changbai County Red Deer Township, since the capture of birds seized Sidi Meilan fleas 1 ♀. June 30, 1987, since the brown house rat seized cysticerci mites 1 ♀. The host of Sidiomyelium flea were Apodemus agrarius, Apodemus agrarius, Black hamster, Microtus fortis and Rattus norvegicus; the host of Acipenser cesta were poultry and birds. It is proved that birds and rats also exchange ectoparasite-carrying parasites in mountainous areas in the eastern part of Jilin Province. Some birds in the northwest of China can live with the same type of mice as the mice, so the exchange of birds and mice with ectoparasites is widespread. However, Jilin Province has yet to see birds and rats living together, resulting in exchange for carrying in vitro