Mesoponera villiersi (Bernard)
Type location Guinea
(Euponera (Xiphopelta) villiersi, Bernard, 1952: 193,
illustrated, worker; in Pachycondyla
Bolton, 1995: 311; new placement by Schmidt & Shattuck, 2014: 111)
from Mt. Nimba, from termite hill at 700 m,
(ix-1946, Villiers); holotype and two other workers; worker only
described (see Bolton, 1995) .
TL 5.3-5.6 mm, HL 1.35 HW 0.90 mm.
A very distinct form. Colour pale reddish, clypeal margin and part of
gaster darker, appendages dark-yellow. Head very finely shagreened,
somewhat shiny, remainder smooth and shiny, puncturation fine and rare.
White pubescence on head and thorax, plus erect whitish hairs (less
dense than on picea). Head with clypeus uniformly convex and
smooth apart from some puncturation, laterally narrower than related
species. Eyes black, flat, elongated, with 20 plus facets; some 2.5
times further from mandible bases than own length. Mandible with 13
teeth, small, black and spaced out, more inequal than Pachycondyla
picea. Propodeum notably more humped in profile than close
relatives; posterior to the hump the declivity is twice as short, flat,
and limited laterally by fine borders.