Hirasawa R, Urabe M
Center for Ecological Research, Kyoto University, Otsuka, Hirano-cho, Kamitanakami, Otsu 520-2113, Japan.
J Parasitol. 2003 Jun;89(3):617-20. doi: 10.1645/GE-3106RN.
Juvenile freshwater parasitic nematodes Rhabdochona denudata honshuensis Moravec and Nagasawa, 1989 and Rhabdochona coronacauda Belouss, 1965 (Spirurida: Thelazioidea: Rhabdochonidae) were found in mayfly nymphs collected in a mountain stream in Japan. Considering the relative density of mayfly nymphs, nematode prevalence, and intensity of parasitism, Ephemera strigata Eaton and Potamanthus formosus Ulmer (Ephemeroptera: Ephemeridae) are frequent natural intermediate hosts for R. d. honshuensis in this locality. The intermediate host of R. coronacauda also is the E. strigata nymph.
1989年,在日本一条山间溪流采集的蜉蝣若虫中发现了幼年淡水寄生线虫本州裸尾线虫(Rhabdochona denudata honshuensis Moravec and Nagasawa)和1965年的冠状尾裸尾线虫(Rhabdochona coronacauda Belouss)(旋尾目:吸吮总科:裸尾科)。考虑到蜉蝣若虫的相对密度、线虫患病率和寄生强度,细纹蜉(Ephemera strigata Eaton)和美丽短跗蜉(Potamanthus formosus Ulmer)(蜉蝣目:蜉蝣科)是该地区本州裸尾线虫常见的天然中间宿主。冠状尾裸尾线虫的中间宿主也是细纹蜉若虫。