Cyrnellus rianus Flint 1983
Material examined. BRAZIL: Maranhão: Caxias, Fazenda Pé da Serra, Rio Itapecuru, 05°07'49.5"S, 43°33'0.40"W, 60 m a.s.l., 1 male, 06.vii.2014, D. Sousa, G.R. Desidério, G. Sousa, M.A.G. Almeida legs., white sheet with mixed light (CZMA).
Known distribution. ARGENTINA, URUGUAY.
Remarks. The presence of this species in this study represents the first record from Brazil.