Name Authorship Pages Forms Locality Notes
Lasius niger var. nigroemarginatus Forel, 1874 47 w.q. SWITZERLAND
Lasius niger var. pinetorum Ruzsky, 1907c 68 (footnote) w. RUSSIA
Lasius nitidigaster Seifert, 1996b 185 (diagnosis in key) w. BULGARIA, AUSTRIA
†Lasius oblongus Assmann, 1870 38, pl. 1, fig. 1 wing GERMANY (Miocene)
Lasius ouchii Teranishi, 1940 76 q. JAPAN
Lasius persicus Seifert, 2020a 69, figs. 73, 74 w. IRAN
Lasius picinus Roger, 1863a 163 w. CHILE
Lasius platythorax Seifert, 1991b 73, figs. 3, 6, 7 w.q. GERMANY
Lasius ponderosae Schär et al., 2022 3, figs. 3, 4a,c, 5 w.q.m. U.S.A. (Utah)
Lasius precursor Seifert, 2020a 51, figs. 15, 16 w.aq.m. TURKEY
†Lasius pumilus Mayr, 1868c 46, pl. 2, fig. 33 w. BALTIC AMBER (Eocene)
†Lasius punctulatus Mayr, 1868c 46, pl. 2, fig. 34 q. BALTIC AMBER (Eocene)
Lasius sakagamii Yamauchi & Hayashida, 1970 504, figs. 3, 4, 6, 9, 10 w.q.m. JAPAN
†Lasius schiefferdeckeri Mayr, 1868c 44, pl. 1, fig. 2; pl. 2, figs. 27-32 w.q.m. BALTIC AMBER (Eocene)
Lasius sichuense Seifert, 2020a 76, figs. 97, 98 w. CHINA (Sichuan)
Lasius silvaticus Seifert, 2020a 47, figs. 3, 4 w. IRAN
Lasius spathepus Wheeler, 1910e 130, fig. 1 q. JAPAN
Lasius speculiventris Emery, 1893k 641 w.m. U.S.A. (New Jersey)
Lasius subniger Pergande, 1900 520 (in text)
Lasius tapinomoides Salata & Borowiec, 2018b 142, figs. 1-7 w.q. GREECE (Crete)
†Lasius terreus Scudder, 1878 747 w. U.S.A. (Wyoming, Green River, Eocene)
†Lasius tertiarius Zalessky, 1949 50, figs. 1-5 q. UKRAINE (Miocene)
Lasius transylvanica Röszler, 1943 44 w.q.m. ROMANIA
†Lasius truncatus Zhang, 1989 294, fig. 295 q. CHINA (Shandong, Miocene)
Lasius tunisius Seifert, 2020a 73, figs. 83, 84 w. TUNISIA
Lasius umbratus subsp. affinis f.interm. umbratoaffinis Ruzsky, 1895 24 w. RUSSIA
Lasius umbratus subsp. distinguendus var. cereomicans Stärcke, 1937 49 w.q.m. ITALY
Lasius umbratus subsp. minutus Emery, 1893k 641 w.q.m. U.S.A. (New Jersey)
Lasius umbratus subsp. subumbratus Viereck, 1903 72 q. U.S.A. (New Mexico)
Lasius umbratus subsp. umbratus var. volgens Stärcke, 1926a 123 Attributed to Bondroit.
Lasius umbratus subsp. vestitus Wheeler, 1910h 242 q. U.S.A. (Idaho)
Lasius umbratus var. affinoumbratus Donisthorpe, 1914a 40 w. UNITED KINGDOM
Lasius umbratus var. exacutus Ruzsky, 1902d 15 w. ARMENIA
Lasius umbratus var. hirtiscapus Stärcke, 1937 43 (in text) q. CZECH REPUBLIC
Lasius umbratus var. mixtoaffinis Ruzsky, 1902d 15 w. RUSSIA
Lasius umbratus var. mixtobicornis Ruzsky, 1905b 292 RUSSIA
Lasius umbratus var. mixtoumbratus Forel, 1874 48 w.q. SWITZERLAND
Lasius umbratus var. viehmeyeri Emery, 1922b 13, fig. 2 q. GREECE
†Lasius validus Zhang, 1989 293, fig. 294 q. CHINA (Shandong, Miocene)
†Lasius vetulus Dlussky, 1981a 72, figs. 53, 54 q.m. RUSSIA (Stavropol Kray, Miocene)
Lasius viehmeyeri var. dalmatica Stärcke, 1937 53 (in text) q.m. CROATIA
Lasius vostochni Seifert, 2020a 63, figs. 51, 52 w. RUSSIA
†Lasius vulgaris Perfilieva, 2022 420, pl. 10 figs. 7, 8 wing imprint RUSSIA (Primorsky Krai, Oligocene)
Lasius xerophilus MacKay & MacKay, 1994 37, figs. 1-7, 9 w.q.m. U.S.A. (New Mexico)
Lathidris Ward et al., 2025 659
Latinoda Enzmann, 1944 62 [as "branch" of Pseudomyrma]
Lecanomyrma Forel, 1913l 56 [as subgenus of Pheidologeton]
Leiopelta Baroni Urbani, 1975b 309
†Lelejus Radchenko & Proshchalykin, 2021 274
†Lelejus venustus Radchenko & Proshchalykin, 2021 274, figs. 1-4 m. UKRAINE (Rovno Amber, Eocene)