File:Fig 6 weitzeckeri key.jpg

FIGURE 6. A. anterior head of Tetramorium occidentale in dorsal view showing the impressed anterior clypeal margin. B. anterior head of Tetramorium susannae with entire and convex anterior clypeal margin.

Hita Garcia, F.; Fischer, G.; Peters, M. K. 2010. Taxonomy of the Tetramorium weitzeckeri species group (Hymenoptera: Formicidae) in the Afrotropical zoogeographical region. Zootaxa 2704:1-90.