Abstract
The Japanese spiders of the genus Agelena are revised. The occurrence of A. limbata Thorell 1897, A. opulenta Koch 1878, and A. labylinthica (Clerck 1757) are recomfirmed. A. donggukensis Kim 1996 is newly recorded from Japan and the male of the species is described for the first time. A new species, A. babai, is described based on the specimens collected from Amami-ôshima Is. of the Ryukyus.