Abstract

The genus Eriovixia Archer, 1951 is a small tropical genus and exhibits a wide geographical distribution from Southeast Asia to Africa. In this paper, the genus Eriovixia is revised in Hainan Island, China, and three new species, E. nigrimaculata sp. nov., E. huwena sp. nov. and E. jianfengensis sp. nov., are described. Based on the type species description and three species figures, we think Tukaraneus Barrion & Litsinger, 1995 is a junior synonym of Eriovixia Archer, 1951. Accordingly, three species, Tukaraneus mahabaeus Barrion & Litsinger, 1995, Tukaraneus palawanensis Barrion & Litsinger, 1995 and Tukaraneus patulisus Barrion & Litsinger, 1995, are transferred from Tukaraneus to Eriovixia. E. excelsa (Simon, 1889), E. pseudocentrodes (Bösenberg & Strand, 1906) and E. sakiedaorum Tanikawa, 1999 are recorded for the first time for Hainan Island's fauna. A key to the genus Eriovixia is presented excepting three species distributed in Africa. Biogeographic analyses show that Southeast Asia is a centre of distribution, diversification and speciation of the genus Eriovixia, and Hainan Island's fauna posesses high species richness and endemism.

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