Tetramorium pogonion

Only known from the type locality locality (west of Aus, Namibia). Specimens were found in Namib desert and Namib savannah woodlands. (Mbanyana et al. 2018)

Identification
Mbanyana et al. (2018) - Tetramorium pogonion is the only species in the T. solidum group with the head broader in front of the eyes than behind.

Distribution based on Regional Taxon Lists
Afrotropical Region: Namibia.

Nomenclature

 *  pogonion. Tetramorium pogonion Bolton, 1980: 249, fig. 21 (w.q.m.) NAMIBIA.

Worker
Mbanyana et al. (2018) - (N = 4) HL 0.924–0.954 (0.944); HW 0.875–0.895 (0.887); SL 0.688–0.767 (0.718); EL 0.266–0.285 (0.275); PH 0.452–0.492 (0.470); PW 0.580–0.610 (0.590); WL 0.964–0.983 (0.971); PSL 0.118–0.148 (0.135); PTH 0.275–0.295 (0.289); PTL 0.275–0.295 (0.288); PTW 0.275–0.295 (0.285); PPH 0.305–0.334 (0.325); PPL 0.256–0.275 (0.270); PPW 0.344–0.374 (0.356); OI 30–32 (31); CI 94–95 (94); SI 79–85 (81); DMI 59–63 (61); LMI 47–51 (48); PSLI 13–15 (14); PeNI 47–49 (48); LPeI 97–102 (100); DPeI 97–104 (99); PpNI 58–63 (60); LPpI 79–90 (83); DPpI 125–146 (132); PPI 120–131 (125).

Type Material
Mbanyana et al. (2018) – Holotype. worker, Namibia, 37 miles (60 km) W of Aus, 500 m a.s.l., 5 May 1958, E.S. Ross and R.E. Leech leg. (: CASTYPE13390). Paratypes. 8 pinned specimens (5 workers, 1 male, 2 queens), same collection data as for holotype (CASC: CASENT0270793, CASENT0270794).

References based on Global Ant Biodiversity Informatics

 * Bolton B. 1980. The ant tribe Tetramoriini (Hymenoptera: Formicidae). The genus Tetramorium Mayr in the Ethiopian zoogeographical region. Bulletin of the British Museum (Natural History). Entomology 40: 193-384.
 * Marsh A. C. 1986. Checklist, biological notes and distribution of ants in the central Namib Desert. Madoqua 14: 333-344.
 * Mbanyana N. 2013. Taxonomy, phylogeny and biogeography of seed-harvesting ants in the Tetramorium solidum-group (Hymenoptera: Formicidae). Masters of Science in the Department of Botany and Zoology at Stellenbosch University 115 pages.
 * Mbanyana N., F. Hita Garcia, H. G. Robertson, and J. J. Le Roux. 2018. A taxonomic revision of seed harvester ants of the Tetramorium solidum group (Hymenoptera: Formicidae) in southern Africa. European Journal of Taxonomy 454: 1-59.