The Stegana shirozui species group (Diptera, Drosophilidae) from East Asia Author Chen, Xi-Peng Author Gao, Jian-Jun Author Chen, Hong-Wei text Journal of Natural History 2009 2009-07-22 43 31 - 32 1909 1927 http://dx.doi.org/10.1080/00222930902996172 journal article 10.1080/00222930902996172 1464-5262 5216810 Stegana ( Steganina ) masanoritodai Okada and Sidorenko ( Figures 6, 7 ) Stegana ( Steganina ) masanoritodai Okada and Sidorenko 1992 , p. 415 . Diagnosis Gonopods and hypandrium with serrated, minute processes each apically and medially. Specimens examined Japan : one Ƌ one ♀ , Kumamoto , 32°37′ N , 130°51′ E , altitude 950 m , 17 August 2002 , WH Chen ( SCAU , No. 120315, 16) . Distribution Russia (Far East), China ( Jilin ), Japan ( Hokkaido , Honshu, Kyushu).