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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)
| Identity - What this specimen is (based on the available information). |
| Diagnostic - How to further narrow the specimen's identity. Select the most appropriate option. |
| Postpetiole attached to dorsal surface of first gastral segment; petiole without a node and dorsoventrally flattened | |||
 Gaster heart-shaped |
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| Crematogaster sp. petiole, postpetiole and gaster, dorsal view (Serna 1999 in MacKay & MacKay 2003) |
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| Postpetiole attached to front surface of first gastral segment; petiole with a node and not dorsoventrally flattened | |||
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