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Types Mus. Civ. Stor. Nat. Genova.
Diagnosis A medium-sized reddish brown member of the tristisHNS group whose major has a large, laterally subangulate postpetiolar node, moderately protuberant and rounded subpostpetiolar process, very prominent lobose humerus, swollen hind femora, and weak transverse carinulae covering the entire promesonotum.
Minor: dorsal pilosity consists of sparse, short hairs, some of which are clavate or spatulate; occiput narrow, with nuchal collar; propodeal spine erect.
Similar to alpinensisHNS, exarataHNS, excubitorHNS, grandinodisHNS, grantaeHNS, obrimaHNS, rogeriHNS, stultaHNS, tristisHNS, and zosterHNS, differing in many details of body form, sculpturing, and pilosity, as illustrated, and in color.
Measurements (mm) Lectotype major: HW 1.56, HL 1.80, SL 0.86, EL 0.20, PW 0.80. Paralectotype minor: HW 0.66, HL 0.72, SL 0.74, EL 0.12, PW 0.46.
color Major: head and appendages rich medium reddish brown, rest of body dark reddish brown. Minor: body very dark reddish brown, appendages a contrasting light reddish brown.
Range Known from the type series and a second collection at Cuiaba, Mato Grosso, by J. C. Trager.
Figure Upper: lectotype, major. The right hind femur is depicted next to the outline of the mesosoma. Lower: paralectotype, minor. BRAZIL: Mato Grosso. Scale bars = 1 mm.