The anterior clypeal margin with three convexities (one median and two lateral). Used to distinguish Iridomyrmex from all other dolichoderine genera in Antkey.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith