File:MacGown et al. 2014, fig. 4.jpg

MacGown, J.A., Boudinot, B., Deyrup, M. & Sorger, D.M. 2014. A review of the Nearctic Odontomachus (Hymenoptera: Formicidae: Ponerinae) with a treatment of the males. Zootaxa 3802(4): 515-552.