File:Fig 3 pulchella key.jpg

FIGURE 3 A, B) Pheidole pulchella. Full-face view of minor and major worker: showing sides of head rounded towards posterior head margin in the minor (A), and presence of antennal scrobe and absence of laterally projecting hairs in the major (B). C, D) Pheidole heliosa. Full-face view of minor and major worker: illustrating elongated posterior sides of head in the minor worker (C), and absence of antennal scrobe and presence of laterally projecting hairs in major worker (D).

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.