Nectopsyche muhni ( Navás 1916a ), Navas, 1916

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 : 164-165

Nectopsyche muhni ( Navás 1916a)

Material examined. BRAZIL: Maranhão: Caxias, Área de Proteção Ambiental Inhamum , Igarapé Soledade , 04°53'40.8"S, 43°25'18.9"W, 384 m a.s.l., 1 male, 20–21.xii.2014, D. Sousa, G.R. Desidério, S.R.S. Nascimento legs. , Pennsylvania trap ( CZMA), 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., 4 males, 04–06.ix.2014, S.R.S. Nascimento leg., white sheet with mixed light ( CZMA), Caxias, Fazenda Pé da Serra, Rio Itapecuru , 05°07'49.5"S, 43°33'0.40"W , 60 m a.s.l., 2 males, 07.vii.2014, D. Sousa, G.R. Desidério, G. Sousa, M.A.G. Almeida legs., white sheet with mixed light (CZMA), Caxias, MA-034, Igarapé Riachão, 04°56'8.59"S, 43°21'26.65"W, 53 m a.s.l., 9 males, 02–03.vi.2014, D. Sousa, S.R.S. Nascimento, M.A.G. Almeida legs., white sheet with mixed light (CZMA).

Known distribution. ARGENTINA, BOLIVIA, BRAZIL (Minas Gerais, Piauí, Rio de Janeiro, Roraima, São Paulo) , ECUADOR, GUYANA, PARAGUAY, PERU, SURINAME, VENEZUELA.

Remarks. Previously recorded only for the state of Piauí (Takiya et al. 2016) in the Northeast Region, this study provides the first record for the state of Maranhão [Caxias municipality].