Cyrnellus mammillatus Flint 1971

Desidério, Gleison Robson, Barcelos-Silva, Patrik, De Souza, Wagner Rafael M., Pes, Ana Maria & De Azevêdo, Carlos Augusto S., 2017, Caddisflies (Insecta: Trichoptera) from Maranhão State, Northeast Region, Brazil: A new species, checklist, and new geographical records, Zootaxa 4221 (2), pp. 151-171 : 168

Cyrnellus mammillatus Flint 1971

Material examined. BRAZIL: Maranhão: Caxias, Área de Proteção Ambiental Inhamum , Igarapé Sumidouro do Padre I, 04°53'28.1"S, 43°25'52.3"W, 448 m a.s.l., 1 male, 20–21.xii.2014, D. Sousa, G.R. Desidério, S.R.S. Nascimento, M.A.G. Almeida legs. , Pennsylvania trap ( CZMA), Caxias, Área de Proteção Ambiental Inhamum , Igarapé Sumidouro do Padre II, 04°53'23.6"S, 43°25'53.2"W, 363 m a.s.l., 2 males, 20–25.xii.2014, D. Sousa, G.R. Desidério, S.R.S. Nascimento, M.A.G. Almeida legs. , Pennsylvania trap ( CZMA), Caxias, Fazenda Pé da Serra, Rio Itapecuru , 05°07'49.5"S, 43°33'0.40"W, 60 m a.s.l., 1 male, 05.vii.2014, D. Sousa, G.R. Desidério, G. Sousa, M.A.G. Almeida legs., white sheet with mixed light ( CZMA) .

Known distribution. ARGENTINA, BRAZIL (Amazonas, Minas Gerais, Mato Grosso do Sul, Pará, Pernambuco, Paraná, Rio de Janeiro, São Paulo) , ECUADOR, PARAGUAY, PERU, URUGUAY.

Remarks. Previously recorded only for the state of Pernambuco ( Souza et al. 2013b) in the Northeast Region, the range of this species is extended and this study provides the first record for the state of Maranhão [Caxias].