Aulacizes obsoleta Melichar 1926
Diagnosis. Crown, pronotum and scutellum light brown, with longitudinal dark line on disc of pronotum; forewings brown with yellow veins; base of clypeus and clypellus dark.
Female terminalia. Abdominal sternite VII, in ventral view (Fig. 4), with lateral margins slightly convergent posteriorly, posterior margin emarginate with a slight convex median process within emargination; surface with setae distributed throughout disc. Pygofer, in lateral view, moderately produced posteriorly; surface with a few macrosetae mainly in posterior half. First valvifers, in lateral view, ovoid; with small spiniform processes on ventral region. First ovipositor valvulae, in lateral view, slightly broadened beyond basal curvature; dorsal sculptured area formed mostly by scale-like processes arranged in oblique lines; ventral sculptured area formed mostly by linear processes; apex obtuse with dorsal margin slightly concave (Fig. 16), and denticles on ventral and dorsal margins. Second valvulae, in lateral view, broadened beyond basal curvature; dorsal margin of blade bearing 40 to 43 not continuous teeth, each tooth triangular with denticles on posterior margin (Fig. 28); ducts not reach the teeth; apex rounded (Fig. 40), with denticles on dorsal and ventral margins; preapical ventral prominence small but distinct. Gonoplacs, in lateral view, with small basal spiniform processes; scattered microsetae on ventral margin and a few strong setae on apical portion; apex rounded.
Material examined. ARGENTINA. Misiones: Puerto Iguazú, 1♀, II/1954, Hayward, Willink, Golbach cols. (IFML); 2♀, Aguirre col. (MACN); Iguazú, 2♀, 5-9/XII/1957, Biraben col.; Caraguatay, 1♂, I/1960, Ronderos & Trotta cols.; Eldorado, 26º25´40´´S 54º09´38.02´´W, 1♀, 30/X/2008, Logarzo & Palottini cols.; El Soberbio, 27°17,806´S 54°11,799´W, 1♂, 20/II/2012, hand collection, Dellapé G. col. (MLP).
Distribution. Brazil (Young 1968) and Argentina: Misiones (Paradell et al. 2012).