Provisional key to species and separable forms - Section 3

	major postpetiole with blunt lateral processes	-	Hypostomal teeth (non-type)
18	Major head completely striate; almost all minors have a small pedicel with a semi-globular postpetiole	Section 4
--	Major near ovoid with deeply impressed occiput and varying degrees of sculpture on the head; minors with enlarged bulb-shaped postpetioles, in dorsal view posterior much wider.	19
19	Major head an elongated oval HL > HW	20	.
--	Major head with HL = HW	23	.
.	buchholzi-group (part) - buchholzi, ascara and Gabon 143	--
20	Major head with longitudinal striations over whole of frons, some transitioning into arcuate striation on the occiput	21	.
--	Major head with occiput smooth	22	.
21	Base colour orange-brown	21A	.
--	Base colour dark brown	21B	.
21A	TL ca 7.8 mm, HL 2.60, HW 2.38, SL 1.43, PW 0.90; CI 91, SI 60, EI 0.1 (EL/HL); head elongated with weakly curved sides; whole head densely sculptured with striations for whole length, those on the front curving outward from base to apex, cross webbing and underlying spiculations between striations, clypeus with strong median carina and lateral carinae, mandibles striate; whole of alitrunk sculptured in an irregular pattern, propodeal spines acute triangles pointing vertically upwards;  pedicel and gaster spiculate, postpetiole large and roughly triangular from above but without lateral processes; dark chestnut brown, with orange legs, mandible near black; short, quite coarse, orange erect hairs on head, postpetiole and gaster	.
.	TL ca 4.7 mm, HL 1.15, HW 0.81, SL 1.35, PW 0.60; CI 72 SI 170; petiole moderately enlarged but with flat lower face and shallowly arcuate dorsum	Gabon - Gabon 143	.
--	TL 4-4.5 mm, HL 1.60, HW 1.45, SL 0.80, PW 0.55; CI 89, SI 54; occiput with fine longituidinal rugae and little reticulation or transverse striation; with propodeal spines no more than moderately long, triangular, sharp and upturned; red-brown, gaster only slightly darker	.
.	TL 1.8-2.3-2.7 mm, HL 0.69, HW 0.52, SL 0.80, PW 0.40; CI 75, SI 167; scape without erect hairs; uniform yellow-brown, mandibles yellowish	Congo Basin - senilifrons	.
--	TL 6.8 mm, HL 2.54, HW 2.36, SL 1.40, PW 1.0; CI 94, SI 60; head longer than wide, narrowest behind; scape reaches beyond mid-point; head clearly but finely sculptured over full length; reddish or lighter yellowish	.	.
.	TL 3.7-3.8 mm, HL 0.88, HW 0.67, SL 1.25, PW 0.5; CI 76, SI 177; head longer than wide; scape surpassing the occiput; reddish or lighter yellowish	West Africa & Congo Basin - buchholzi	.
21B	TL ca. 6.4 mm, HL 2.24, HW 1.97, SL 1.18, PW 1.16; CI 88, SI 60	.
.	TL ca 3.2 mm, HL 0.83, HW 0.67, SL 1.20, PW 0.41; CI 82, SI 175	Tanzania - n.sp Tanzania Zigi	.
.	Occiput unsculptured	--	.
23	TL 7.0 mm	24	.
--	TL > 7.0 mm	25
24	TL 7.5-8.0 mm, HL 2.80, HW 2.68, SL 1.34, PW 1.2; CI 96, SI 50; head with no more than weak longitudinal striations anteriorly, occiput with matt appearance; postpetiole near hexagonal in dorsal view; yellow-brown to brown	.	.
.	TL 3.42 mm, HL 0.86, HW 0.65, SL 1.17, PW 0.47; CI 74, SI 164; clypeus with a fine median carina; petiole with a low node flattened dorsally in profile; postpetiole with a domed profile and ovoid in dorsal view; sculpturation only of spiculation on the propodeum, lateral mesonotum and the petiole; dull brownish-yellow.	Pan-African - speculifera	.
--	TL 7.5-8.0 mm; HL 2.32, HW 2.32, SL 1.25, PW 1.0; CI 100, SI 55; sides of head feebly arcuate; sparse erect hairs, no pubescence; head and alitrunk brownish-red, rest darker blackish-brown; postpetiole and base of gaster smooth or nearly so	.
.	TL 3-4 mm; HL 0.87, HW 0.70, SL 1.02, PW 0.41; CI 87, SI 166; sides of head feebly arcuate; sparse erect hairs, no pubescence; head entirely shiny; head and alitrunk brownish-red, gaster brown	West Africa - occipitalis	.
--	Larger TL ca 8 mm; HL 2.8, HW 2.8, SL 1.2, PW 1.24; CI 100, SI 44; occiput largely smooth and shiny.	.
.	TL ca 4.5 mm, HL 1.09, HW 0.87, SL 1.00, PW 0.62; CI 83 SI 140; base colour piceous (pitch black), appendages more reddish; head ovate, genae with longitudinal rugae, mandibles striate; propodeum dorsum sulcate, spines triangular and obtuse	Eastern & Southern Africa - ruspolii
22	TL 7.3 mm; HL 1.88, HW 1.70, SL 0.82, PW 1.08; CI 87, SI 50; head longer than wider, markedly narrowed at occiput; scape failing to reach mid-point; chestnut, occiput smooth and shiny; postpetiole from above near-rhomboidal with distinct transverse sculpture Note no known minors	Benin & Ethiopia - ascara
.	TL < 7.0 mm	--
25	TL > 5.3 mm - 8.0 mm; drawn major, TL 8.11 mm, HL 2.91, HW 2.86, SL 1.37, PW 1.21; CI 98, SI 48; head mostly smooth, dorsum shiny; dark red-brown, gaster and anterior of head with mandibles darker	.
.	TL 4.00-4.36 mm, HL 0.87, HW 0.67, SL 1.01, PW 0.45; CI 67, SI 150 (original description gives a smaller size); postpetiole exceptionally large and bulbous both dorsally and laterally; clypeus medially carinate, shallowly emarginate anteriorly; longitudinal rugae on the genae; petiole produced laterally and the anterior of the peduncle; head, pronotum and gaster; mesonotum, propodeum and pedicel spiculate; erect hairs sparse and relatively short; head and alitrunk brown/dark red-brown, gaster darker to black, appendages lighter with tarsi and antennal clubs brown	West Africa - costauriensis	.
--	TL (type) ca 6.3 mm, HL 2.72, HW 2.54, SL 1.31, PW 0.95; CI 92, SI 52; sides of head feebly arcuate; sparse erect hairs, no pubescence; head and alitrunk brownish-red, rest darker blackish-brown; separable by the spiculate sculpture on the postpetiole and base of the gaster TL Cameroun (ascara?) ca 7.3 mm, HL 2.75, HW 2.70, SL 1.40, PW 1.15,	.
.	TL ca 3.6 mm, HL 0.92, HW 0.75, SL 1.22, PW 1.00; CI 82, SI 162; blackish brown, appendages paler; more strongly sculptured than the type occipitalis, pronotum dorsum almost entirely sculptured	West Africa - neutralis	.
--	TL ca 6.5 mm; HL 2.50, HW 2.06, SL 1.20, PW 1.05; CI 90, SI 54; similar to speculifera but scape extending back to posterior third of head; sides of head only slightly convex; dark brown, legs paler, tarsi and funiculus rusty red	.
.	TL 3.9-4.5 mm, HL 1.04, HW 0.88, SL 1.28, PW 0.58, CI 85, SI 141; similar to speculifera but dark brown/black, legs paler, tarsi and funiculus rusty red; very distinctive short and coarse dark erect hairs	Southern Africa - vanderveldi	.
--	TL ca 7.5 mm, HL 2.2, HW 2.2, SL 1.15, PW 1.0; CI 100, SI 60; petiole profile narrow & squamous, postpetiole from above with arcuate anterior margin and obtuse lateral angles; sparse pilosity; piceous (pitch black) with anterior of head and coxae dull ferruginous, apparently variable to dark mahogany; head finely spiculate and near matt, fine striations reaching back the length of the scapes	.
.	TL 4.0-4.4 mm, HL 1.07, HW 0.85, SL 1.45, PW 0.64; CI 81, SI 174; base colour dark brown, appendages more reddish; head ovate, genae with longitudinal rugae, mandibles striate; propodeum dorsum simply finely spiculate, spines minute and triangular	Eastern & Southern Africa - crassinoda
--	TL ca 9.5 mm, HL 2.83, HW 2.83, SL , PW 1.16, CI 100, SI 44. Head cordiform in full face-view, strongly convex dorsum in lateral view; possibly due to damage, the mandibles have a wavy outer margin; pronotum wide and alitrunk quite stocky, deep metanotal groove with transverse rugae; head and alitrunk with dullish appearance, frons with fine striations reaching back to the occiput but very fine after the mid-point, occiput with minute dense spiculate ground sculpture.	Angola - cubangensis	.	.
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