canthellus
English
editNoun
editcanthellus
- A raised ridge of cuticle around the inner border of the trulleum in certain ants.
- 2016, Brian L. Fisher, Barry Bolton, Ants of Africa and Madagascar: A Guide to the Genera:
- The trulleum in many groups is closed along its inner (medial) border by a raised ridge of cuticle, the canthellus. The canthellus may extend to, and even fuse with, the base margin of the mandible (canthellus closed) or may fail to reach the basal margin (canthellus open).