Requested reference
Kronestedt, T. (1980b). Comparison between Pirata tenuitarsis Simon, new to Sweden and England, and P. piraticus (Clerck), with notes on taxonomic characters in male Pirata (Araneae: Lycosidae). Entomologica Scandinavica 11(1): 65-77. doi:10.1163/187631280X00383 -- Show included taxa