Abstract: | ![]() A revision of the new South American riodinid genus Pseudotinea is presented that includes taxonomic and ecological notes, distributional data and illustrations of adults and genital structures for all species. The systematic position of Pseudotinea within the Riodinidae, its ecology and biogeography are discussed. Five species are recognized: volcanicus Callaghan and Salazar, hemis Schaus and caprina Hewitson are transferred from Calydna (comb. n.) and two new species, P. eiselei and P. gagarini, are described here. The genus is confined to the Andes and south-east Brazil where all species are very rare and many endangered. |