Polyrhachis limitis Santschi

Rigato, Fabrizio, 2016, The ant genus Polyrhachis F. Smith in sub-Saharan Africa, with descriptions of ten new species. (Hymenoptera: Formicidae), Zootaxa 4088 (1) : 28

Polyrhachis limitis Santschi

Polyrhachis alexisi st. limitis Santschi, 1939: 12 . Holotype worker, DEMOCRATIC REP. of the CONGO: Pale (Gérard) (NHMB) [examined].

Polyrhachis limitis Santschi : Bolton 1973:350.

Diagnosis. An alexisi -group species identifiable by: pronotum and propodeum laterally marginate, petiole quadrispinose, head oval, with moderately convex sides, and eyes somewhat slightly breaking the head outline in full face view.

The following data refer to the recently collected second known worker of this species. This Tanzanian specimen differs from the type only by its smaller size; yet I could not detect any significant difference from the type.

HL 1.34, HW 1.16, CI 87, SL 1.47, SI 127, FW 0.37, FI 32, PW 1.14, WL 1.66, HTL 1.40.

Material examined. TANZANIA: Kigoma Region, Gombe Stream N.P., 4°42’S 29°37’E, thickset woodland, from trail, 798–1115 m, ix.2009–i.2010 (R. O’Malley) (1 w, HLMD: RO 09-1253).