posterior margin weakly concave
![posterior margin weakly concave](https://antkey.myspecies.info/sites/antkey.org/files/styles/large/public/glossary-term-00393.jpg?itok=zZJM-CQD)
Imaging technique:
Illustration
Keywords:
Description:
The posterior margin of the head weakly concave to flat, but never strongly convex. Used in Antkey to separate Plagiolepis exigua from Plagiolepis alluaudi and Plagiolepis pygmaea.
Creator:
Eli Sarnat
Taxonomic name: