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Types Inst. Miguel Lillo, Tucuman; Mus. Comp. Zool. Harvard.
Major: large; head bicolored; occipital carina not present as in other aberrans-gwup species; hypostoma lacking spines; in full-face view, frontal lobes broad, asymmetrical, with pointed anterior borders that just reach the anterior clypeal border; humeri very large, rising 4X higher than the mesonotal convexity in dorsal-oblique view; acute, forward-projecting process on postpetiolar venter, as seen from the side; pronotum partly covered by transverse carinulae.
Minor: low process present on venter of postpetiole, as seen from the side; semicircular carinulae cover the pronotum; propodeal spines thin, needle-like.
Measurements (mm) Lectotype major: HW 1.44, HL 1.76, SL 0.60, EL 0.16, PW 0.86. Paralectotype minor: HW 0.64, HL 0.68, SL 0.54, EL 0.12, PW 0.44.
Color Major: reddish yellow except for frontal lobes and borders of mandibles, which are a sharply contrasting blackish brown. Range Recorded from Tucuman and Salta, Argentina.
Figure Upper: lectotype, major. Lower: paralectotype, minor. Scale bars = 1 mm.