Stegana undulata species group

Stegana undulata species group: Lu et al. 2011a: 140.

Diagnosis. Surstylus not strongly arcuate, mostly with 1 small acute prensiseta submedially on inner margin, lacking setae basally, with dense setae distally (Figs 12A, 13A); 10th sternite erect and expanded distally (Figs 12F, 13F). Only characters that depart from the diagnosis of the undulata species group (Lu et al. 2011a) are provided.