Helicopsyche (Cochliopsyche) opalescens (Flint 1972)

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., 3 males, 07.vii.2014, D. Sousa, G.R. Desidério, S.R.S. Nascimento legs., white sheet with mixed light (CZMA).

Known distribution. ARGENTINA, BRAZIL (Amazonas, Minas Gerais, Mato Grosso, Pará, Paraná, Rio de Janeiro, Rondônia, Roraima, Santa Catarina, São Paulo), PARAGUAY, PERU, URUGUAY, VENEZUELA.

Remarks. Widely distributed in Brazil, this species is recorded for the first time from the Northeast Region, Brazil.