The Stegana coleoptrata species group (Diptera: Drosophilidae) from mainland China Author Chen, Xi-Peng Author Chen, Hong-Wei text Zootaxa 2008 1891 55 65 journal article 10.5281/zenodo.184336 fbf605d1-302c-4c40-8af5-7b8fa77ccbac 1175-5326 184336 Stegana coleoptrata species group Stegana ( Steganina ) coleoptrata species group, Laštovka & Máca, 1982 : 8 ; Hu & Toda (1994) : 152 . Diagnosis. Surstylus submedially strongly curved inward, with 1 small prensiseta apically ( Laštovka & Máca 1982 ). For more detailed description see Laštovka & Máca 1982 ; Hu & Toda 1994 ; Bächli et al . 2004 ).