Requested reference
Tanaka, H. (1990d). Lycosid spiders of Japan V. The genus Hygrolycosa Dahl. Bulletin of the Biogeographical Society of Japan 45: 123-126. 
-- Show included taxa
Tanaka, H. (1990d). Lycosid spiders of Japan V. The genus Hygrolycosa Dahl. Bulletin of the Biogeographical Society of Japan 45: 123-126. -- Show included taxa