petiolar node with convex dorsal face (Crematogaster)
The petiolar node has a convex dorsal face and the dorsal profile slopes anteriorly. In Antkey used to separate Crematogaster obscurata from Crematogaster scutellaris.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
