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Species Diversity
Abstract
Dichodactylus gen. nov. (type species Coelotes tarumii Arita, 1976 ) is described from western Japan. Three species are recognized: Dichodactylus shinshuensis sp. nov., D. tarumii ( Arita, 1976 ) comb. nov. (transferred from Coelotes Blackwall, 1841), and D. satoi ( Nishikawa, 2003 ) comb. nov. (transferred from Orumcekia Koçak and Kemal, 2008). Dichodactylus is compared with Orumcekia, especially morphological similarities in the male palps. Diagnostic and descriptive characteristics of the three species are presented including a species distribution map and genitalic illustrations.
I wish to express my sincere thanks to Dr Yoh Ihara (Hiroshima) for providing specimens of Dichodactylus shinshuensis sp. nov. My heartfelt thanks are also due to Dr Jeremy Miller (Naturalis Biodiversity Center) and Dr Robert G. Bennett (Royal BC Museum) for reading the manuscript and for helpful suggestions; Dr Takafumi Nakano (Hiroshima University) and an anonymous reviewer for constructive comments.
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