• Wheeler, 1910h: 238 (w.m.)
• Combination in Lasius (Formicina): Wheeler, 1916o: 172.
• Combination in Lasius (Chthonolasius): Emery, 1925d: 235; Wilson, 1955a: 175.
• Subspecies of Lasius umbratus: Wheeler, 1910h: 238 (redescription); Wheeler, 1910a: 569; Wheeler, 1916o: 172; Wheeler, 1917a: 528; Wheeler, 1917h: 167; Emery, 1925d: 235; Cole, 1937b: 137; Wing, 1939: 164; Cole, 1942: 375; Smith, 1951c: 852.
• Status as species: Creighton, 1950a: 424; Wilson, 1955a: 175 (redescription); Smith, 1958c: 149; Smith, 1967a: 368; Kutter, 1968c: 206; Hunt & Snelling, 1975: 22; Francoeur, 1977b: 207; Yensen et al., 1977: 184; Smith, 1979: 1439; Allred, 1982: 482; Wheeler & Wheeler, 1986g: 67; MacKay et al., 1988: 119; Wheeler et al., 1994: 308; Bolton, 1995b: 226; Mackay & Mackay, 2002: 387; Coovert, 2005: 127; Ward, 2005: 64; Ellison et al., 2012: 202.

Obsolete combinations

• Lasius umbratus subumbratus

Citations

• Allred, D. M. 1982. Ants of Utah. Great Basin Naturalist 42:415-511.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Cole, A. C., Jr. 1937b. An annotated list of the ants of Arizona (Hym.: Formicidae). [concl.]. Entomological News 48:134-140. PDF
• Cole, A. C., Jr. 1942. The ants of Utah. American Midland Naturalist 28:358-388. PDF
• Coovert, G. A. 2005. The ants of Ohio. Bulletin of the Ohio Biological Survey (New Series) 15 (2):1-196. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Ellison, A. M.; Gotelli, N. J.; Farnsworth, E. J.; Alpert, G. D. 2012. A field guide to the ants of New England. New Haven: Yale University Press, xv + 398 pp.
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Francoeur, A. 1977b. Synopsis taxonomique et économique des fourmis du Québec (Formicidae, Hymenoptera). Annales de la Société Entomologique du Québec 22:205-212. PDF
• Hunt, J. H.; Snelling, R. R. 1975. A checklist of the ants of Arizona. Journal of the Arizona Academy of Science 10:20-23. PDF
• Kutter, H. 1968c ("1967"). Liste sozialparasitischer Ameisen. Archives. Institut Grand-Ducal de Luxembourg (n.s.)33:201-210.
• MacKay, W. P.; Lowrie, D.; Fisher, A.; MacKay, E. E.; Barnes, F. 1988. The ants of Los Alamos County, New Mexico (Hymenoptera: Formicidae). Pp. 79-131 in: Trager, J. C. (ed.) 1988. Advances in myrmecology. Leiden: E. J. Brill, xxvii + 551 pp. PDF
• Mackay, W.; Mackay, E. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 400 pp. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF
• Smith, M. R. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• Smith, M. R. 1967a. Family Formicidae. Pp. 343-374 in: Krombein, K. V.; Burks, B. D. (eds.) 1967. Hymenoptera of America north of Mexico. Synoptic catalog. Second supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 2):1-584. PDF
• Viereck, H. L. 1903. Hymenoptera of Beulah, New Mexico. [part]. Transactions of the American Entomological Society 29:56-87. PDF
• Ward, P. S. 2005. A synoptic review of the ants of California (Hymenoptera: Formicidae). Zootaxa 936:1-68. PDF
• Wheeler, G. C.; Wheeler, J. 1986g. The ants of Nevada. Los Angeles: Natural History Museum of Los Angeles County, vii + 138 pp. PDF
• Wheeler, G. C.; Wheeler, J.; Kannowski, P. B. 1994. Checklist of ants of Michigan (Hymenoptera: Formicidae). Great Lakes Entomologist 26:297-310. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1910h. The North American forms of Lasius umbratus Nylander. Psyche (Cambridge) 17:235-243. PDF
• Wheeler, W. M. 1916o. Questions of nomenclature connected with the ant genus Lasius and its subgenera. Psyche (Cambridge) 23:168-173. PDF
• Wheeler, W. M. 1917a. The mountain ants of western North America. Proceedings of the American Academy of Arts and Sciences 52:457-569. PDF
• Wheeler, W. M. 1917h. The temporary social parasitism of Lasius subumbratus Viereck. Psyche (Cambridge) 24:167-176. PDF
• Wilson, E. O. 1955a. A monographic revision of the ant genus Lasius. Bulletin of the Museum of Comparative Zoology 113:1-201. PDF
• Wing, M. W. 1939. An annotated list of the ants of Maine (Hymenoptera: Formicidae). Entomological News 50:161-165. PDF
• Yensen, N. P.; Clark, W. H.; Francoeur, A. 1977. A checklist of Idaho ants (Hymenoptera: Formicidae). Pan-Pacific Entomologist 53:181-187. PDF