Key to Australian Genera of Ectatomminae

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  • When viewed from above, the pronotum and mesonotum form a single, uninterrupted plate (Fig. a). First segment (coxa) of the hind leg with a tooth or spine on its upper surface near the body (Fig. b) => Gnamptogenys
  • When viewed from above, the pronotum and mesonotum are separated by a distinct suture so that each forms a separate plate (Fig. aa). First segment (coxa) of the hind leg smooth on its upper surface and without a tooth or spine near the body (Fig. bb) => Rhytidoponera