Waist with two segments (petiole and postpetiole). Used in Antkey to separate Cerapachyinae, Myrmicinae and Pseudomyrmecinae from all other subfamilies.
Creator:
Eli Sarnat
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
