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Types Mus. Comp. Zool. Harvard.
Diagnosis Similar in various traits to the species listed in the heading above, distinguished as follows.
Major: propodeal spine more than half as long as propodeal basal face, and curving slightly backward; pronotum covered by curving carinulae, some of which are semicircular; hypostoma 2-toothed; mesonotal convexity present although low and indistinct; postpetiole from above elliptical.
Minor: broken carinulae extend from frontal lobes to occiput; propodeal spine nearly half as long as propodeal basal face, and curving forward; occiput narrowed, with weakly convex border, and lacking nuchal collar. Measurements (mm) Lectotype major: HW 1.04, HL 1.02, SL 0.56, EL 0.12, PW 0.48. Paralectotype minor: HW 0.52, HL 0.54, SL 0.52, EL 0.10, PW 0.32.
Color Major: head and appendages light reddish yellow; rest of body light reddish brown. Minor: body light brownish yellow, appendages clear medium yellow.
Range Known only from the type locality.
Figure Upper: lectotype, major. Lower: paralectotype, minor. ARGENTINA: La Plata, Buenos Aires. Scale bars = 1 mm.
Found most commonly in these microhabitats: 2 times bei Atta Lundii.