Key to Subfamilies of Formicidae in the Southeastern United States (based on workers)
(modified from Creighton (1950) and Bolton (1994)
Couplet 8

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8(7) Eyes large, reniform, or subelliptical, about half long as the side of the head; ocelli usually present (figure 19) ...Pseudomyrmecinae (one genus in MS, Pseudomyrmex)

8' Eyes very small, ocellus-like or absent; without ocelli (figure 20 ) ..Dorylinae

Figure 19. Full face view of Pseudomyrmex pallidus showing the large eyes and ocelli.

Figure 20. Full face view of Neivamyrmex sp. showing the small eyes and lack of ocelli.