Viuria Grishin, 2019 (Lepidoptera: Hesperiidae): taxonomy, description of two new species, and remarks on the morphology of secondary sexual organs of males Author Siewert, Ricardo Russo ricardo.siewert@gmail.com Author Lemes, José Ricardo Assmann Author Mielke, Olaf Hermann Hendrik 5188F4F9-5876-45EA-AB24-D606DBCCF47D Laboratório de Estudos de Lepidoptera Neotropical, Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, Paraná, Brazil. omhesp@ufpr.br Author Casagrande, Mirna Martins 241FC1DB-F7FF-4480-A648-D72644538822 Laboratório de Estudos de Lepidoptera Neotropical, Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, Paraná, Brazil. mibras@ufpr.br text European Journal of Taxonomy 2023 2023-11-27 908 183 203 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2347/10235 journal article 10.5852/ejt.2023.908.2347 2118-9773 AA17B828-F6A0-4CD3-B145-E23A73DED710 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.