File:Myrmica crassirugis.jpg

Figures 22-24. Myrmica crassirugis. Profile of body without legs. 22. Worker. 23. Queen without wings. 24. Male.

Francoeur, A. 2007. The Myrmica punctiventris and M. crassirugis species groups in the Nearctic region. Pages 153-186 in R. R. Snelling, B. L. Fisher, and P. S. Ward, editors. Advances in ant systematics (Hymenoptera: Formicidae): homage to E. O. Wilson - 50 years of contributions. Memoirs of the American Entomological Institute, vol. 80, Gainesville, FL, 690 p.