Formicidae: key to subfamilies, couplet 2

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

Taxa remaining
Dolichoderinae
Formicinae
Ponerinae

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) ...Ponerinae

Gaster without constriction, sting extremely reduced / absent and never visible without dissection (Figs. 7-8). ...3.

Please send any questions or comments regarding these pages to Tim Linksvayer (Tim.Linksvayer@alumni.carleton.edu)
Last modified

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