Leptothorax retractus

Distribution based on Regional Taxon Lists
Nearctic Region: Canada.

Nomenclature

 *  retractus. Leptothorax retractus Francoeur, 1986a: 1152, figs. 1-17 (w.q.m.) CANADA. See also: Loiselle, Francoeur, et al. 1990: 329.

References based on Global Ant Biodiversity Informatics

 * Foitzik S., and Heinze, J. 1999. Non-random size differences between sympatric species of the ant genus Leptothorax (Hymenoptera: Formicidae). Entomologia Generalis 24: 65-74.
 * Francoeur A. 1997. Ants (Hymenoptera: Formicidae) of the Yukon. Biological Survey of Canada Monograph Series 2: 901-910.
 * Francoeur, A. 1986. DEUX NOUVELLES FOURMIS NÉARCTIQUES: LEPTOTHORAX RETRACTUS ET L. SPHAGNICOLUS (FORMICIDAE, HYMENOPTERA). Canadian Entomologist 118(11): 1151-1164
 * Francoeur, A. 1997. Ants (Hymenoptera: Formicidae) of the Yukon. Pages 901 910 in H.V. Danks and J.A. Downes (Eds.), Insects of the Yukon. Biological Survey of Canada (Terrestrial Arthropods), Ottawa.
 * Heinze, J. 1995. The Origin of Workerless Parasites in Leptothorax (S. Str.) (Hymenoptera: Formicidae). Psyche 102 (3-4) :195-214
 * Lubertazi, D. Personal Communication. Specimen Data from Museum of Comparative Zoology at Harvard