Formicidae: key to subfamilies, couplet 2
Key: modified from Creighton (1950), Wheeler & Wheeler (1963), Hölldobler & Wilson (1990), Bolton (1994)
Taxa remaining


Figure 6. Ponerinae: Ponera pennsylvanica

Figure 7. Formicinae: Camponotus noveboracensis

Figure 8. Dolichoderinae: Tapinoma sessile

2.Gaster with a distinct constriction between the first and second segments. Sting present and usually conspicuous (Fig. 6).
(collected in all Midwestern states)
    Gaster without constriction, sting extremely reduced / absent and never visible without dissection (Figs. 7-8). ...3.

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