The Ants of Africa
Genus Polyrhachis
Polyrhachis latharis Bolton

Polyrhachis latharis Bolton

return to key {link to the Hymenoptera Name Server} Type location Ghana (Bolton, 1973b: 348, illustrated, full body dorsal view, alitrunk and pedicel profile, anterior petiole); holotype from Mt. Atewa (Atewa Forest Reserve), collected by pkd, by D. Leston, 12.vii.1969, with holotype, 3 other workers and 2 females - see below.

{Polyrhachis latharis}Bolton's description (1973b) is at {original description}

WORKER - TL 6.5-7.0 mm; propodeum marginate laterally and posteriorly but sides of propodeum projecting strongly beyond the lateral marginations. Sides of head in front of the eyes concave in full-face view. No erect hairs and very sparse pubescence; colour black, with antennal funiculi yellow-brown.

Presumably totally arboreal and from primary forest.

Rigato (2016) reported "REP. of the CONGO: Niari Region, 2.31614 S 12.80933 E, 666 m, 4.vii.2013, primary
forest, canopy fogging (L. Niemand). (1 w, AFRC: LN-RC1 038, CASENT0250035)". Rigato noted: "Bolton’s figures (1973) show a 4-toothed clypeal lobe; yet the holotype’s lobe is actually 5-toothed as well as in a single worker recently collected in the Republic of the Congo, whose measurements are: HL 1.34, HW 1.15, CI 86, SL 1.50, SI 130, FW 0.36, FI 31, PW 1.28, WL 1.83, HTL 1.48".

{Polyrhachis latharis}The photomontage is of a worker from Ghana, collated from Amongst the paratypes listed by Bolton (1973b).

The holotype can be seen at

2007, 2013, 2014, 2018 - Brian Taylor CBiol FRSB FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.