gaster lacking tubercles on first segment

Licence: 
Creative Commons Licence
Keywords: 
tubercles (Image keywords), gaster (Image keywords)
Description: 

Gaster with tubercles on first segment. Used in Antkey to separate Atta from Acromyrmex.

Creator: 
Eli Sarnat
Taxonomic name: 
Atta cephalotes (Taxa), Atta sexdens (Taxa)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith