Hypoponera sinuosa (Bernard)
  Type location Guinea,
(Ponera sinuosa n. sp., Bernard, 1952: 204, illustrated, worker
& queen) from Mt. Nimba; holotype worker and one queen from,
station B2-41, ravine I of the Mount Tô forest 21.ii.1942, collected by
Lamotte.
Worker and queen described (new combination in Hypoponera,
in Bolton, 1995)  .
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 WORKER
(after Bernard, 1952) - TL 2.2 mm, HL 0.7, HW 0.6
Colour testaceous yellow, gaster darker except anteriorly; shiny, with
little puncturation; fine whitish hairs. Head relatively short, sides
sub-parallel, widest in anterior third. Eyes distinctive, 3-4 facets,
black, very elongated, set some 1.5 times their length back from the
mandibles (other "Ponera" have their eyes generally rounded and
set some 6 times their length back from the mandibles). Vertex of head
concave; antennal scapes not reaching the vertex. Clypeus smooth,
almost flat, centrally with a feeble convexity but not carinate;
anterior border rectilinear. Mandibles with 6 clear teeth, plus 4 small
teeth. Propodeum, with its faces subequal, in profile declivity very
sinuous - hence the species name; contrasting with other "Ponera"
where the propodeum profile is more or less rectilinear.
Bernard (1952) emphasised how sinuosa by its
pale
shiny integument resembled the subgenus "Hypoponera" but
nevertheless it has a well defined metanotal groove. The eyes and the
propodeum set it apart from all other genus members in Africa.
Also known from Ivory Coast, cotype worker from
Banco,
H31, 30.vii.1945, Delamare-Debouteville (Bernard, 1952).
Bolton & Fisher's re-description (not illustrated)
can be found in http://www.mapress.com/zootaxa/list/2011/2843.html
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The photomontage of the type worker is collated from