Ant key 24
Subfamily Myrmicinae
Genus Pheidole (major caste)
| Area posterior to compound eyes sculptured (Fig. a). | P. rugosula |
| Area posterior to compound eyes without extensive sculpturing (Fig. b). | 25 |
| Area posterior to compound eyes sculptured (Fig. a). | P. rugosula |
| Area posterior to compound eyes without extensive sculpturing (Fig. b). | 25 |