New data on the wolf spiders from theAcantholycosa-complex (Araneae: Lycosidae) from the South Siberia Author Fomichev, Alexander A. Altai State University, Lenina Pr., 61, Barnaul, RF- 656049, Russia. & Tomsk State University, Lenina Pr., 36, Tomsk, RF- 634050, Russia. text Zootaxa 2021 2021-08-27 5026 4 567 585 journal article 10.11646/zootaxa.5026.4.7 1175-5326 5300792 E712BC8E-3E75-422C-8587-69ED17B6CDD5 Acantholycosa lignaria group Acantholycosa lignaria group — Marusik et al . 2004: 119 . Diagnosis. Representatives of this group can be recognized only from male characters. The males from lignaria - group possess a laminar paleal outgrowth, strong terminal apophysis, and reduced apical arm of tegular apophysis ( Marusik et al. 2004 ). Females of species assigned to this species group have very heterogeneous epigynes. Composition. Four species belong to this species group: A. aborigenica Zyuzin & Marusik, 1988 (from Central Aimag in Mongolia to the Kolyma River and Sikhote-Alin Mt. Range), A. irinae Fomichev & Omelko, 2020 (Sikhote-Alin Mt. Range), A. kulikovi sp. n. ( Altai Mountains) and A. lignaria (Clerck, 1757) (Trans-Palaearctic range).