| 11 antennal segments | |||
| 12 antennal segments | |||
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Number of segments between alitrunk and gaster (2 segments (petiole and postpetiole) are reduced or isolated between the alitrunk and the gaster) Eye size (Eye composed of more than one lens) Spines on alitrunk (Alitrunk with spines) Psammophore (Ventral side of head and mandibles without basket-like series of hairs) Postpetiole attachment (Postpetiole attached to front surface of first gastral segment; petiole with a node and not dorsoventrally flattened) Tubercles (Dorsal surface of body not covered with tubercles) Number of spines on alitrunk (1-2 pairs of spines on alitrunk) Antennal club (Antenna with 3-segmented club) Head size (Contrast between workers' head-body proportions not as extreme) Shape of petiole (Petiole with anterior peduncle) Clypeus (Clypeus with ridges in front of antennal insertions; mandibles usually with 7 teeth, with the distal 3 teeth largest)
| Identity - What this specimen is (based on the available information). |
| Description: Anterolateral portions of clypeus raised into a ridge in front of antennal sockets; usually the cuticle strongly sculptured; antenna with 11 or 12 segments, with an apical club of 3 segments; total length = 1.75-4.25 mm | ||
| Diagnostic - How to further narrow the specimen's identity. Select the most appropriate option. |