Homalodisca ignorata Melichar 1924

Diagnosis. Crown and pronotum light brown; crown with dark triangular spot on disc; clypeus with large, black ventral macula; anal veins fused along a considerable distance. Male: processes of pygofer not attaining pygofer apex; shaft of aedeagus robust with gonopore conspicuously visible, and with pair of ventral processes.

Female terminalia. Abdominal sternite VII, in ventral view (Fig. 7), with lateral margins parallel, lateroposterior margins slightly convergent posteriorly, and posterior margin with shallow elongated median emargination; surface with numerous scattered microsetae. Pygofer, in lateral view, moderately produced posteriorly; surface with scattered microsetae. First valvifers, in lateral view, subquadrate, with small spiniform processes on ventral region and a few fine setae on posterior margin. First ovipositor valvulae, in lateral view, rectilinear beyond basal curvature; dorsal and ventral sculptured areas formed mostly by scale-like processes arranged in oblique lines; apex acute and slightly curved downward (Fig. 27), with denticles on dorsal and ventral margins. Second valvulae, in lateral view, rectilinear beyond basal curvature; dorsal margin of blade bearing 32 to 34 noncontiguous teeth, each tooth triangular, with denticles along entire dorsal margin (Fig. 47); there are no ducts, but there are pores near the base of each tooth; apex rounded (Fig. 67), with strong denticles on ventral margin; preapical ventral prominence conspicuous. Gonoplacs, in lateral view, with small spiniform processes on ventral margin; apex rounded.

Material examined. BRAZIL. Sao Paulo: Bebedouro, 3♂ 1♀, 14/V/1998, S. Roberto (INHS). ARGENTINA. Misiones: Eldorado, 1♂ 4♀, 31/X/2008, Logarzo & Palottini; Parque Nacional Iguazú, 1♀, 11/ XII/2008, water trap, Zamudio & Colleselli Gomez de Olivera (MLP).

Distribution. Paraguay (Young 1968), Brazil (Marucci et al. 2002; Azevedo-Filho & Carvalho 2004, 2006) and Argentina: Misiones (Dellapé & Paradell 2011).