Abstract
The six Japanese species of the genus Uloborus are transferred to the other genera related to Uloborus: sinensis SIMON, varians BÖSENBERG et STRAND, incognitus DÖNITZ et STRAND, yesoensis (SAITO) and sybotides BÖSENBERG et STRAND to Octonoba; prominens BÖSENBERG et STRAND to Philoponella. Uloborus tokyoensis KISHIDA is synonymized with Octonoba sinensis (SIMON). A key to the genera of the subfamily Uloborinae is given.