Tetramorium pogonion Bolton, 1980

Figs 3K, 18, 24

Tetramorium pogonion Bolton, 1980: 249 .

Diagnosis

Tetramorium pogonion is the only species in the T. solidum group with the head broader in front of the eyes than behind (Fig. 3K).

Material examined

Holotype

NAMIBIA: worker, 37 miles (60 km) W of Aus, 500 m a.s.l., 5 May 1958, E.S. Ross and R.E. Leech leg. (CASC: CASTYPE13390).

Paratypes

NAMIBIA: 8 pinned specimens (5 workers, 1 ♂, 2 queens), same collection data as for holotype (CASC: CASENT0270793, CASENT0270794).

Measurements (worker 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).

Distribution

Only known from Namibia, where it was collected in the Namib Desert and Namib Savannah Woodlands.