Strumigenys peyrierasi Fisher ^HNS sp. n.

HOLOTYPE WORKER. TL 1.4, HL 0.59, HW 0.55, CI 93, ML 0.12, MI 21, SL 0.26, SI 48, PW 0.32, AL 0.60. Characters of dews-complex. With head in full-face view the dorsal surfaces of the occipital lobes without broad spoon-shaped hairs similar in shape and size to those projecting from the upper scrobe margins. Punctures on vertex broad, scattered, distance separating one puncture from another is greater than the diameter of each puncture. Eye with 7 ommatidia in total. Pronotum distinctly broader than long in dorsal view, with scattered punctures on an otherwise smooth surface. Petiole node in dorsal view broader than long (discounting spongiform tissue). Disc of postpetiole smooth. Basigastral costulae fine and faint, but extending back over at least the basal third of the tergite.

Holotype worker, Madagascar: Bongolava, Pref. Tsiroanomandidy, 6 - 1 l. xii. 1974, forest humus and litter (A Peyrieras) (MCZ).

S. peyrierasi ^HNS is distinguished form other species in the dexis-complex by having the following characters.

1 Mesonotum with a single pair of short straight standing hairs.

2 First gastral tergite with a single pair of straight standing hairs close to the base.