1987年1月于哈尔滨市万宝乡的成年犬背部皮下组织中发现5条淡黄色、固定后变为乳白色的丝状线虫。经显微镜下观察和量度。确定为匐行恶丝虫(Dirofilaria repens Raillietet,Herny),1911雌虫。黄舜毅等(1980)首次在人眼部发现一雄虫,而在动物体内寄生的尚未见报道,也无雌虫的描述和量度。本文报道以引起重视。 January 1987 in Wanbao Township, Harbin, adult dog back subcutaneous tissue found in five light yellow, fixed into milky white filamentous nematodes. Observe and measure under the microscope. Dirofilaria repens Raillietet (Herny), 1911 female. Huang Shunyi et al. (1980) first found a male in the human eye, while no reports of parasitism have been reported in animals and no description or measurement of the female. This article reports to attract attention.