The propodeum is strongly rounded, uniformly convex and resembling a sphere in profile. Used in Antkey to separate Linepithema iniquum from Linepithema humile.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith