Smicridea (Rhyacophylax) unguiculata Flint 1983 **

Material examined. BRAZIL: Piauí: Coivaras, Riacho do Boi, Cachoeira da Campeira, 05°11’45.1”S, 42°15’33.9”W, el. 177 m, 1 male, 27.vi.2017, L.A.S. Moreno leg., Pennsylvania insect light trap (CEHJ) .

Known distribution. ARGENTINA, BRAZIL (Goiás, Minas Gerais, Paraná, Santa Catarina, São Paulo), and PARAGUAY .