FIGURE 4 A in the Afrotropical zoogeographic region: definition of species groups and systematic revision of the Pheidole pulchella group

FIGURE 4 A) P. heliosa sp. n. 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) P. christinae sp. n. 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.