Elateridae (Insecta, Coleoptera) from Yaku Island (Ryukyu Islands, Japan)

The elaterid beetle fauna has been thoroughly investigated on Yaku Island, one of the Ôsumi Islands, Ryukyu Japan, and many species have added to or excluded from fauna. However, is difficult assess because there discordance in information distribution records. In this study, we examined specimens collected by us as well reviewed previous records Island understand island. During our fieldwork, found 43 species, but no newly recorded species. Based references specimen information, distributions four are discussed: Rismethus ryukyuensis Ôhira, 1999, Elater niponensis (Lewis, 1894), Zorochros ( Yamatostrius ) osawai (Ôhira, 1972), Paracardiophorus opacus 1894). Of these, E. P. removed list occurring As a result, 95 48 genera six subfamilies confirmed checklist these provided.