Key to Philippine Ectatomminae

This worker key is based on: General, D. and G. Alpert. 2012. A synoptic review of the ant genera (Hymenoptera, Formicidae) of the Philippines. [http://www.pensoft.net/journals/zookeys/issue/200/ ZooKeys. 200:1-111] doi: 10.3897/zookeys.200.2447.

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 * In profile, anteroventral margin of pronotum with distinct tooth; hind pretarsal claw with median tooth . . . . . Rhytidoponera


 * In profile, anteroventral margin of pronotum rounded or bluntly angulate; hind pretarsal claw without median tooth . . . . . Gnamptogenys