Abstract
In this paper knowledge of the genus Pycnoscelus Scudder, 1862 is updated. Two new species from southern China are described: Pycnoscelusputeus Wang & Che, sp. nov. and P.undulatus Wang & Che, sp. nov. Diagnostic characters and high-definition morphological photographs are provided for five known species and two species unidentified due to limited information are reported. An updated checklist and key for Pycnoscelus species worldwide are provided.