Gradual downward slope of the mesosomal profile

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Imaging technique: 

The gradual downward slope of the mesosomal profile is broken by a steep decline from the posterior of promesonotum to the anterior of the propodeum. Used in Antkey to separate Pheidole from Cardiocondyla, Crematogaster, Myrmica, Tetramorium, Vollenhovia and Wasmannia.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith