promesonotum with three pair of pronotal spines or teeth
The promesonotum is armed with at least three pairs of spines and teeth. Usually the anterior pairs are large and robust, and the posterior pair is smaller. Used in Antkey to separate Acromyrmex from Atta.
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Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
