The two most apical antennal segments are enlarged relative to all preceding segments, forming a distinct club at the end of the antenna. Used to distinguish among myrmicine genera.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
