• [Also spelled helveolus: Cook, 1953: 327.]
• Junior synonym of Lasius flavus: Wilson, 1955a: 113; Smith, 1958c: 149; Smith, 1979: 1438; Bolton, 1995b: 223; Radchenko, 2016: 369.
• Junior synonym of Lasius brevicornis: Schär et al., 2018: 6.

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Cook, T. W. 1953. The ants of California. Palo Alto, California: Pacific Books, 462 pp. PDF
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.
• Schär, S.; Talavera, G.; Espadaler, X.; Rana, J. D.; Andersen, A. A.; Cover, S. P.; Vila, R. 2018. Do Holarctic ant species exist? Trans-Beringian dispersal and homoplasy in the Formicidae. Journal of Biogeography 00:1-12. 10.1111/jbi.13380 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. 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
• Snelling, R. R. 1969a. The repository of the T. W. Cook ant types (Hymenoptera: Formicidae). Bulletin of the Southern California Academy of Sciences 68:57-58.
• Wilson, E. O. 1955a. A monographic revision of the ant genus Lasius. Bulletin of the Museum of Comparative Zoology 113:1-201. PDF