【摘要】 2006年2月~2007年1月,通过对河南省34头驴体内寄生线虫的感染情况进行调查,共发现22种圆线虫,隶属于2亚科7属,其中3种为河南省新纪录种.本文详细观察和描述了冠环属Coronocyclus Hartwich,1986的3个种类:冠状冠环线虫Coronocyclus coronatus(Looss,1900),大唇片冠环线虫Coronocyclus labiatus(Lo-oss,1902)和小唇片冠环线虫Coronocyclus labratus(Looss,1900).此次调查中,大唇片冠环线虫和小唇片冠环线虫的感染率都比较高,为优势种.更多还原

【Abstract】 Thirty-four donkeys from Henan Province were examined at necropsy for strongyloid nematodes in the large intestine from February 2006 to January 2007.Twenty-two species belonging to 7 genera and 2 subfamilies have been identified,and three species are new record species in Henan Province.In the present paper,three species of the genus Coronocyclus Hartwich,1986,Coronocyclus coronatus(Looss,1900),Coronocyclus labiatus(Looss,1902) and Coronocyclus labratus(Looss,1900),have been redescribed and photographed by light microscopy.In this investigation,C.labiatus and C.labratus are dominant species.更多还原