FIGURE 9 in A taxonomic revision of South American species of the seed-harvester ant genus Pogonomyrmex (Hymenoptera: Formicidae). Part II

FIGURE 9. Photographs showing deeply incised, closely spaced parallel rugae that cover the cephalic dorsum and mesosoma with interrugae slightly wider than rugae: (A–B) Pogonomyrmex mendozanus (CASENT0914385), and coarser, wavy to weakly irregular rugae on head, and rugae on mesosoma irregular to rugoreticulate to vermiculate on mesosoma, and interrugae on head and mesosoma distinctly wider than rugae: (C–D) Pogonomyrmex laticeps (CASENT0103263). Photographs by Michele Esposito from www.AntWeb.org.