Leptothorax acervorum valid Denmark. Palearctic. Fabricius, J. C. 1793. Entomologia systematica emendata et aucta. Secundum classes, ordines, genera, species, adjectis synonimis, locis observationibus, descriptionibus. Tome 2. Hafniae [= Copenhagen]: C. G. Proft, 519 pp. 124868 Leptothorax acervorum canadensis obsolete combination Canada (Ontario). Nearctic. Provancher, L. 1887c. Fam. X. - Les Formicides. [concl.]. Pp. 245-249 in: Provancher, L. 1887. 1885-1889. Additions et corrections au Volume II de la Faune entomologique du Canada, traitant des Hyménoptères. Québec: C. Darveau, 477 pp. 127920 Leptothorax acervorum canadensis calderoni unavailable U.S.A. (California). Nearctic. Forel, A. 1914c. Einige amerikanische Ameisen. Deutsche Entomologische Zeitschrift 1914:615-620. 125253 Leptothorax acervorum canadensis convivialis unavailable U.S.A. (Wisconsin, Connecticut, New Mexico). Nearctic. Wheeler, W. M. 1903d. A revision of the North American ants of the genus Leptothorax Mayr. Proceedings of the Academy of Natural Sciences of Philadelphia 55:215-260. 129977 Leptothorax acervorum crassipilis obsolete combination U.S.A. (Colorado). Nearctic. Wheeler, W. M. 1917a. The mountain ants of western North America. Proceedings of the American Academy of Arts and Sciences 52:457-569. 130116 Leptothorax acervorum kamtshaticus synonym of Leptothorax acervorum Russia (Kamchatka). Palearctic. Ruzsky, M. 1920. Ants of Kamchatka. [In Russian.]. Izvestiya Instituta Issledovaniya Sibiri 2:76-80. 128166 Leptothorax acervorum muscorum obsolete combination Finland. Palearctic. Nylander, W. 1846b. Additamentum adnotationum in monographiam formicarum borealium Europae. Acta Societatis Scientiarum Fennicae 2:1041-1062. 127562 Leptothorax acervorum muscorum flavescens unavailable Russia. Palearctic. Ruzsky, M. 1895. Faunistic investigations in east Russia 1. Contribution to the ant fauna of east Russia. 2. Zoological excursion in the Orenburg region in 1894. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 28(5):1-32. 128162 Leptothorax acervorum nigrescens synonym of Leptothorax acervorum Russia. Palearctic. Ruzsky, M. 1905b. The ants of Russia. (Formicariae Imperii Rossici). Systematics, geography and data on the biology of Russian ants. Part I. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 38(4-6):1-800. 128184 Leptothorax acervorum orientalis synonym of Leptothorax acervorum Russia (Ussuri). Palearctic. Kuznetsov-Ugamsky, N. N. 1928b. Ants of the South Ussuri Region. [In Russian.]. Zapiski Vladivostokskogo Otdela Gosudarstvennogo Russkogo Geograficheskogo Obshchvestva 1(18):1-47. 126761 Leptothorax acervorum superus synonym of Leptothorax acervorum Russia. Palearctic. Ruzsky, M. 1905b. The ants of Russia. (Formicariae Imperii Rossici). Systematics, geography and data on the biology of Russian ants. Part I. [In Russian.]. Trudy Obshchestva Estestvoispytatelei pri Imperatorskom Kazanskom Universitete 38(4-6):1-800. 128184 Leptothorax acervorum vandeli synonym of Leptothorax acervorum France. Palearctic. Bondroit, J. 1920a ("1919"). Notes diverses sur des fourmis d'Europe. Annales de la Société Entomologique de Belgique 59:143-158. 122879