The masticatory and basal margin of the mandible are separated by a distinct angle. Used in Antkey to separate Iridomyrmex from Linepithema and Technomyrmex.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
