Viuria Grishin, 2019

Siewert, Ricardo Russo, Lemes, José Ricardo Assmann, Mielke, Olaf Hermann Hendrik & Casagrande, Mirna Martins, 2023, Viuria Grishin, 2019 (Lepidoptera: Hesperiidae): taxonomy, description of two new species, and remarks on the morphology of secondary sexual organs of males, European Journal of Taxonomy 908, pp. 183-203 : 185

Genus Viuria Grishin, 2019

Diagnosis

Adults are characterized by the following characters: wings ground color brown, DFW without apical hyaline spots (differing from Nisoniades and Viola ); DFW with costal, cellular, discal, and submarginal spots dark brown; DHW with discal and submarginal spots dark brown; DHW of males with long tufts of hair-like scales near the base of the costal fold, and another patch of modified creamy scales near the base of the swollen veins Rs and M 1; both males and females with a patch of modified greyish scales in the swollen vein Sc+R 1; VW light brown; male and female genitalia asymmetrical; uncus bent downwards; tegumen with lateral asymmetric projections; sterigma with a spine-like process cover ventrally, ostium bursae opening ventrally at left side.