Abstract
Three species of the genus Arctosa are revised and their relationship with A. cinerea, the type species of the genus, is dis-cussed. Arctosa binalis Yu & Song, 1988 is a junior synonym of A. depectinata (Bösenberg & Strand, 1906). Males ofArctosa gougu Chen & Song, 1999 and Arctosa vaginalis Yu & Song, 1988 are described for the first time. All specimensexamined were collected from the Yunnan Province, China. Morphological illustrations, photos, descriptions and SEMphotographs of the male bulbus of all species are given. Stridulatory files on chelicerae in Lycosidae are reported for the first time.References
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