Six new species of the genus Pseudostegana (Diptera: Drosophilidae) from the Oriental region

Six new species are described from China and Indonesia, belonging to the latiparma and zonaria species groups: Pseudostegana acutifoliolata sp. nov., Pseudostegana bilobata sp. nov., Pseudostegana bipartita sp. nov., Pseudostegana insularis sp. nov., Pseudostegana minutipalpata sp. nov. and Pseudostegana silvana sp. nov.. Updated keys to the species of the latiparma and zonaria groups are provided.