The petiole is attached to the gaster by a narrow attenuation and always has a conspicuous posterior face. Used in Antkey to separate all other subfamilies from Amblyoponinae.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
