Key to species of Amazobenna Penny (males)
1. Body and legs brown (Fig. 1); wing with brown spot in the costal cell, spots at the apex of the medial veins interconnected basally (Fig. 28); genital style narrow at the base and distally broadening with apex truncated, inner face convex in posterior view (Figs. 9–12); apex of the anal segment triangular in posterior view (Fig. 8); pygofer with posterolateral margin produced in the middle forming an obtuse angle (Figs. 9, 11), lateral lobe slightly tapered distally and diverging distally in ventral aspect (Fig. 12).............................................................................. A. reticulata Penny
-. Body and legs yellow (Fig. 19); wing lacking spot on costal cell, spots at the apex of the medial veins not interconnected basally (Fig. 29); genital style long, broad in basal 2/3, narrowing towards the apex with apex round, inner face almost straight and parallel, slightly sinuous near apex in posterior view (Figs. 24–27); apex of anal segment trapezoidal in posterior view; pygofer with posterolateral margin slightly sinuous, not forming an obtuse angle (Figs. 24, 26), lateral lobe not tapered distally, with parallel inner sides and not diverging distally in ventral aspect (Fig. 27)........................ A. pennyi sp. nov.