Four New Species of the Subgenus Steganina (Diptera: Drosophilidae: Steganina) from Southern China
Four new species of the subgenus Stegana (Steganina) are found from southern China: S. (S.) clavispinuta sp. nov., S. (S.) cyclophylla sp. nov., S. (S.) euryphylla sp. nov. and S. (S.) lepismina spp. nov., they can not to be placed under four species groups established. A key to the species of uncertain affinity among species group from China is provided.