| Keys to Ponerinae genera in the southeastern United States | ||||
| Mandibles long, linear, inserted in the middle of the anterior margin of head (as seen in full face view), with tips abruptly turned inward, and with 2 or 3 teeth present apically in a vertical series, |  | ...2 | ||
| Mandibles linear to triangular, inserted at anterolateral corners of head, no vertical series of teeth apically |  | ...3 | ||
| 2(1) | Size 5.0 mm or less; petiolar node with two points (viewed from front to back); occipital region of head deeply excised in middle, corners of anterior part of head angulate-rounded (only known in Southeast from FL) |   |  | |
| Large, at least 8.0 mm; petiolar node with a single spine; occiput not deeply excised, corners broadly rounded |  |  | ...Odontomachus | |
| 3(1) | Body with abundant, appressed pale pubescence giving body a silvery appearance; petiole elongate-rectangular, longer than high (in profile view), and broadly joined to gaster (only known in Southeast from FL) |  | ||
| Body without abundant, appressed pubescence; petiole higher than long, not joined broadly to gaster, but only connected at the base |  | ...4 | ||
| 4(3) | Hind tibia with a single, large, pectinate spur, without a small simple one in front of it |  | ...5 | |
| Hind tibia with two spurs, one larger, pectinate, the other simple, small, and placed in front of the larger one |  | ...6 | ||
| 5(4) | Subpetiolar process with an acute angle posteroventrally (as seen in profile) and with a fenestra or a circular translucent thin spot anteriorly |  | ...Ponera | |
| Subpetiolar process a simple lobe and no anterior fenestra or thin translucent spot present |  | ...Hypoponera | ||
| 6(4) | Basal area of mandible with a circular or almost circular pit (fovea) dorsolaterally |  | ||
| Mandible lacking fovea |  | ...7 | ||
| Pretarsal claws usually pectinate on inner curves |  | ...Leptogenys | ||
| Pretarsal claws simple, or occasionally with 1 tooth behind apex |  | ...8 | ||
| 8(7) | Mesopleurae with sculpture and/or dense pubescence |  | ...Pachycondyla | |
| Mesopleurae strongly shining, lacking scupture and pubescence |  | |||

 
    