Acrogonia virescens (Metcalf 1949)

Diagnosis. General coloration greenish, with dark V-shaped spot at apex of crown; clypellus with dark spot of variable shape and size. Male: connective Y-shaped; styles elongated and curved toward the midline; aedeagus long and thin, apex sharp, and basal portion Y-shaped.

Female terminalia. Abdominal sternite VII, in ventral view (Fig. 2), with lateral margins slightly parallel, lateroposterior margins broadly rounded, and posterior margin deeply emarginate bearing conspicuous median lobe inside emargination; with a few macrosetae at edges of emargination. Pygofer, in lateral view, slightly produced posteriorly; surface with scattered microsetae and macrosetae on posterior one-third of disc. First valvifers, in lateral view, longer than tall; with small spiniform processes in posterior one-third. First ovipositor valvulae, in lateral view, short and slightly rectilinear, basal portion expanded; dorsal sculptured area formed by scale-like processes arranged in oblique lines; ventral sculptured area formed by scale-like processes arranged irregularly; apex truncate with acute median projection (Fig. 22). Second valvulae, in lateral view, short and slightly rectilinear; dorsal margin of blade bearing 18 to 20 noncontiguous teeth, each tooth subtriangular, declivous posteriorly, with denticles along entire dorsal margin (Fig. 42); size of teeth increases from proximal portion to middle region, and then decreases towards apex, ducts extending toward teeth and toward apical blade portion; apex obtuse, forming a concavity with preapical ventral prominence (Fig. 62). Gonoplacs, in lateral view, with basal half narrow, and apical half short and distinctly expanded; apex acute.

Material examined. ARGENTINA. Salta: Abra Grande, Orán, 2♂ 1♀, III/1967; 3♂ 1♀, 10/I-28/II/1967, R. Golbach (IMLA). Misiones: Puerto Iguazú, 25°37´19´´S 54°32´52´´W, 1♀, 7/I/2008, hand collection, C.H.

Dietrich (INHS); Eldorado, 1♂ 2♀, 31/X/2008, Logarzo & Palottini; Parque Nacional Iguazú, 2♂, 11/XII/2008, water trap, Zamudio & Colleselli Gomez de Olivera; Eldorado, Cueva Miní, 26°22,29´S 54°39,65´W, 5♂, 14/II/ 2012, hand collection, G. Dellapé (MLP).

Distribution. Guyana, Brazil, Peru, Paraguay (Young 1968) and Argentina: Misiones and Salta (Paradell et al. 2012).