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Types Naturhist. Mus. Wien.
Major: head heart-shaped; propodeal spines reduced to denticles; postpetiolar node seen from above roughly trapezoidal; mesonotal convexity prominent, and in dorsal-oblique view seeming to "lean" posteriorly; carinulae on frontal lobes restricted to lateral halves, and rest of cephalic sculpturing confined to the level of the eyes and capsule anterior to them.
Measurements (mm) Lectotype major: HW 1.44, HL 1.46, SL not measured, EL 0.22, PW 0.72.
Paralectotype minor: HW 0.70, HL 0.74, SL 0.86, EL 0.16, PW 0.42.
Color Major: medium yellow, gaster a slightly contrasting yellowish brown.
Minor: head and mesosoma reddish yellow, waist and gaster medium brown.
Range Argentina: widespread in the country, including Buenos Aires, Chabut, Cordoba, Mendoza, and Salta (Kempf 1972b).
Figure Upper: lectotype, major (antennal scape drawn from an undamaged paralectotype major). Lower: paralectotype, minor. ARGENTINA: Buenos Aires (P. de Strobel). Scale bars = 1 mm.