Helicopsyche (Feropsyche) vergelana Ross 1956

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 : 157

Helicopsyche (Feropsyche) vergelana Ross 1956

Material examined. BRAZIL: Maranhão: Carolina, Parque Nacional Chapada das Mesas, Riacho Estiva , 07°06'59.8''S, 47°21'21.0''W, 265 m a.s.l., 1 male, 15–31.vii.2013, J.A. Rafael, F. Limeira-de-Oliveira, T.T. Silva legs., Suspended trap ( CZMA) ; Caxias, MA-034, Igarapé Riachão , 04°56'8.59"S, 43°21'26.65"W, 53 m a.s.l., 3 males, 02–03.vi.2014, D. Sousa, S.R.S. Nascimento, M.A.G. Almeida legs., white sheet with mixed light ( CZMA) .

Known distribution. BELIZE, BRAZIL (Ceará, Pernambuco, Piauí) , COSTA RICA, GUATEMALA, HONDURAS, MEXICO, PANAMA, PARAGUAY, PERU, SURINAME, TRINIDAD, VENEZUELA.

Remarks. Previously recorded in the Northeast Region only for the states of Pernambuco ( Souza et al. 2013b) and Ceará and Piauí (Takiya et al. 2016), the known distribution of this species is extended in this study, providing the first record for the state of Maranhão [Caxias Municipality].