A taxonomic revision of the Palaearctic members of the subgenus Lasius s. str. (Hymenoptera, Formicidae) Author Seifert, Bernhard text Soil Organisms 2020 2020-05-26 92 1 15 86 http://dx.doi.org/10.25674/so92iss1pp15 journal article 10.25674/so92iss1pp15 2509-9523 10832216 Lasius paralienus species complex Mean number of mandibular dents not reduced (MaDe 900 8.0–8.5). Pubescence very dense and rather long (sqPDCL 900 3.39–3.51, PLF 900 31.8–38.9). Scape and head moderately elongated (SL/CS 900 0.968 –1.007 , CL/CW 900 1.066 –1.076 ). Dorsum of scape without or with very few semierect setae (nSc 900 0.2–1.3). Number of setae on extensor profile of hind tibia low (nHT 900 1.8–8.6). Hind margin of head always with rather many setae (nOcc 900 8.2–12.4). Four species: Lasius paralienus Seifert 1992 , Lasius casevitzi Seifert & Galkowski 2016 , Lasius bombycina Seifert & Galkowski 2016 and Lasius kritikos sp. nov.