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|See also: Wilson, 2003A: 661.|
Types Mus. Civ. Stor. Nat. Genova.
Etymology Named after the collector, Luigi Balzan.
diagnosis A large, robust member of the tristisHNS group with quadrate head shape in full-face view, similar to fabricatorHNS, gaigeiHNS, godmaniHNS, grantaeHNS, nigellaHNS, and tristisHNS, and distinguished by the following combination of traits.
Major: head quadrate, with shallow median occipital cleft in full-face view; hind femora swollen in middle; frontal lobe extended as short angular protrusion in side view; humerus in dorsal-oblique view very prominent, and right-subtriangular in outline; postpetiole bell-shaped from above; all of pronotal dorsum transversely carinulate.
Minor: humerus prominent, subangulate; carinulae originating from frontal carinae curve laterally toward sides of head; pronotal dorsum transversely carinulate.
measurements (mm) Holotype major: HW 1.58, HL 1.66, SL 0.84, EL 0.20, PW 0.80. Paratype minor: HW 0.72, HL 0.72, SL 0.72, EL 0.12, PW 0.48.
Color Major: body and mandibles dark reddish brown, appendages medium brownish yellow. Minor: body plain medium brown, appendages plain light brown.
Range Known only from the type locality and Rancho Grande, Venezuela, 1100 m.
Figure Upper: holotype, major; the leg part shown is the right hind femur (Salinas, Rio Beni, Bolivia). Lower: minor, tentatively associated with holotype by Carlos Emery (Bolivia). Scale bars = 1 mm.