Requested reference
Nadolny, A. A. & Kovblyuk, M. M. (2010). On two closely related wolf spider species Alopecosa beckeri (Thorell, 1875) and A. taeniopus (KulczyĆski, 1895) (Aranei: Lycosidae). Arthropoda Selecta 19(4): 237-247. doi:10.15298/arthsel.19.4.04 -- Show included taxa