Abstract
BACKGROUND: With 90 described species, the genus Oecobius Lucas, 1846 is the largest genus of the family Oecobiidae Blackwall, 1862, five of which are known from China. Since Oceobiusprzewalskyi was described by Hu & Li in 1987, no males of this species have ever been reported. NEW INFORMATION: The male of Oceobiusprzewalskyi is described for the first time, based on the specimens collected in Tibet Autonomous Region. Morphological description and illustrations are given.