山陰地方における洞穴棲コウモリの分布及びその内部寄生中相

概要

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From 1982 to 1983, the study was undertaken to examine the distribution of cave bats and the endoparasite fauna in Shimane and Tottori Prefectures. A cluster of 20000 to 30000 individuals of Miniopterus schreibersii fuliginosus were observed in Komori-ana (sea eroded cave) at Shimane Peninsula. A small number of individuals of Rhinolophus cornutus cornutus, R.ferrumequinum nippon and Myotis macrodactylus were living in Shimane Prefecture. In Tottori Prefecture, a small number of R.cornutus cornutus and R.ferrumequinum nippon were living. R.cornutus cornutus were infected with seven species of parasites, including one cestode, one nematode and five trematodes. R.ferrumequinum nippon with 15 species of parasites including three cestodes, one nematode and eleven trematodes. M.schreibersii fuliginosus with six species, including one cestode, one nematode and four trematodes. M.macrodactylus with only four species of trematodes. A hymenolepidid cestode, Hymenolepis rashomonensis, was the most prevalent parasites in R.ferrumequinum nippon, occurring in 43～100% of the bats in Shimane Prefecture and in 50～100% of the bats in Tottori Prefecture.