Dense hair on mesosoma dorsum A C. ursus (CASENT0217284), and on gastral dorsum for B C. darwinii (CASENT0179460).

 
 
  Part of: Rasoamanana N, Fisher BL (2022) A taxonomic revision of the Malagasy endemic subgenus Mayria of the genus Camponotus (Hymenoptera, Formicidae) based on qualitative morphology and quantitative morphometric analyses. ZooKeys 1081: 137-231. https://doi.org/10.3897/zookeys.1081.71872