Petiole in profile (anterior face within white ellipse). A P. sokoke (MCZ-ENT00520482) B P. sali (CASENT0235689) (Will Ericson 2011).

 
 
  Part of: Hita Garcia F, Hawkes P, Alpert G (2014) Taxonomy of the ant genus Proceratium Roger (Hymenoptera, Formicidae) in the Afrotropical region with a revision of the P. arnoldi clade and description of four new species. ZooKeys 447: 47-86. https://doi.org/10.3897/zookeys.447.7766