隠岐諸島の糞虫相(甲虫目:コガネムシ上科)

概要

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From 2003 to 2004, faunistic survey of the dung beetles were performed in Oki Islands. We recorded 1 species of the family Trogidae, 1 species of the family Ochodaeidae, and 24 species of the family Scarabaeidae. Among them, Trox niponensis Lewis of Trogidae and Rhyparus azumai azumai Nakane and Caelius denticollis Lewis of Scarabaeidae are newly recorded from Oki Islands. Trogidae is recorded from Oki Islands for the first time. Then, the species unrecorded from San'in mainland are Aphodius (Pharaphodius) rugosostriatus Waterhouse, Aphodius (Trichaphodius) comatus Ad. Schmidt, A. (A.) mizo, S. japonicus and C. denticollis. It is very interesting that comparatively large species distributed in the mainland San`in, Copris spp., Phelotrupes (Chromogeotrupes) auratus (Motschulsky) and Phelotrupes (Eogeotrupes) laevistriatus (Motschulsky), have not been collected in this survey.