The posterior margin of the head generally flat and broad before arching towards eyes. Used in Antkey to separate Pheidole bilimeki from Pheidole anastasii and Pheidole
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
