title: Description of the nymph of Anacroneuria singularis Righi-Cavallaro & Lecci (Plecoptera: Perlidae) and a new locality record for northern Brazil.
abstract: The last instar nymph of Anacroneuria singularis Righi-Cavallaro & Lecci is described and figured from reared specimens collected in Pará State, Brazil, a new locality record for Brazil. The nymphs of this species differ from other known species by the uniformly dark brown anterior of the head and the ochraceous spots of the pronotum.
authors.affiliation: Laboratório de Biologia Aquática, Departamento de Ciências Biológicas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Assis, São Paulo, Brazil . Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Caixa Postal 399, Belém, Pará, Brasil.; Email: pcbispo@gmail.com.
authors.forename: José Moacir Ferreira
authors.initials: JM
authors.lastname: Ribeiro
authors.affiliation: Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Caixa Postal 399, Belém, Pará, Brasil.; Email: jribeiro@museu-goeldi.br.
authors.forename: Inocêncio De Sousa
authors.initials: Ide S
authors.lastname: Gorayeb
authors.affiliation: Laboratório de Biologia Aquática, Departamento de Ciências Biológicas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Assis, São Paulo, Brazil; Email: unknown.
authors.forename: Pitágoras Da Conceição
authors.initials: Pda C
authors.lastname: Bispo
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D001938:Brazil; D005260:Female; D007313:Insecta / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D008297:Male; D009758:Nymph / Q000033:anatomy & histology / Q000145:classification / Q000254:growth & development*; D009929:Organ Size