A survey of the genus Stegana Meigen from southern Japan (Diptera, Drosophilidae), with descriptions of three new species

Abstract

Nine species of genus Stegana from southern Japan, including three new species, S. (Oxyphortica) nigripennis Hendel, S. (Steganina) ctenaria Nishiharu, S. (Steganina) izu Sidorenko, S. (Steganina) kanmiyai Okada and Sidorenko, S. (Steganina) masanoritodai Okada and Sidorenko, S. (Steganina) ornatipes Wheeler and Takada, S. (Oxyphortica) dendrobium sp. nov., S. (Steganina) biprotrusa sp. nov. and S. (Steganina) bacilla sp. nov. are surveyed and described with designation of a new synonym S. (Steganina) maymyo Sidorenko. A key to all species of genus Stegana from southern Japan is provided.

Keywords:

• Diptera
• Drosophilidae
• Stegana
• new species
• southern Japan

Acknowledgements

I wish to thank Prof. T. Saigusa and Dr C.-T. Zhang (Graduate School of Social and Cultural Studies, Kyushu University, Japan), who helped me in collecting drosophilids in Kumamoto. I am also grateful to Prof. M. J. Toda (Institute of Low Temperature, Hokkaido University) and Dr A. Shinohara (National Science Museum, Tokyo, Japan) who helped me in checking some specimens, and Dr F. Curt (Hawaii University) for commenting on the introduction. This work was supported by the Japan Society for the Promotion of Science (No. 12375002 and No. 01111).