File:Fig 4 pulchella key.jpg

FIGURE 4 A) Pheidole heliosa. Lateral view of minor worker, illustrating mesosoma with long second mesonotal process, highest point of dorsopropodeum immediately at metanotal groove and postpetiole shape spheroidal. B) Pheidole christinae. Lateral view of minor worker, showing shorter second mesonotal process, highest point of dorsopropodeum midway between metanotal groove and base of spines, postpetiole shape not spheroidal.

Fischer, G., Hita Garcia, F., & Peters, M.K. 2012. Taxonomy of the ant genus Pheidole Westwood (Hymenoptera: Formicidae) in the Afrotropical zoogeographic region: definition of species groups and systematic revision of the Pheidole pulchella group. Zootaxa, 3232, 1-43.