File:Snelling 1976 Myrmecocystus fig 06-11.jpg

FIGURES 6-11. Mouth parts. 6-9, mandible, labrum, maxilla and labium, respectively, of Myrmecocystus mexicanus worker, all to same scale; 10-11, maxilla and labium, respectively, of Myrmecocystus koso male, to same scale.

Snelling, R. R. 1976. A revision of the honey ants, genus Myrmecocystus (Hymenoptera: Formicidae). Natural History Museum Los Angeles County Science Bulletin. 24:1-163.