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Types Naturhist. Mus. Basel.
diagnosis One of the giant Neotropical species, comparable in size to cephalicaHNS and fimbriataHNS of the tristisHNS group (q.v.). Major: very large, Head Width about 2.1 mm; antennal scape broadly swollen and flattened at base; space between eye and antennal fossa rugoreticulate; entire median strip of gaster shagreened.
Minor: head in full-face view elliptical in outline, with nuchal crest; entire head, except frontal triangle, and mesosoma and waist foveolate and opaque; anterior half of first gastral tergite shagreened.
Measurements (mm) Major (Anapolis, Brazil): HW 2.10, HL 2.24, SL 1.20, EL 0.26, PW 1.04. Minor (Anapolis, Brazil): HW 0.80, HL 1.04, SL 1.36, EL 0.20, PW 0.62. Color Major and minor: reddish yellow ("orange") or reddish brown.
Range Recorded from Minas Gerais, Goias, Mato Grosso, and Ceara by Kempf (1972b). I have seen in addition a series from Santa Cruz, eastern Bolivia (P. S. Ward).
biology The preferred habitat is evidently cerrado, the tropical savanna of central South America.
Figure Upper: major; the antennal scape viewed edge-on is depicted next to the frontal view of the head;
the upper of the two dorsal-oblique views is of a syntype major. Lower: minor. BRAZIL: Anapolis, Goias (W. Kempf).
Compared with syntypes. (Type locality: Pirapora, Minas Gerais, Brazil.) Scale bars = 1 mm.