title: Revision of the Neotropical genus Marbenia Malloch (Diptera: Periscelididae).
abstract: The Neotropical genus Marbenia Malloch is revised and now includes 3 species: Marbenia cinerea, sp. nov., Marbenia pallida, sp. nov. and Marbenia peculiaris Malloch, 1931. The genus is herein recorded from the amazonian region of South America (Bolivia, Brazil and Ecuador), and characters of male and female terminalia are illustrated for the first time.
authors.affiliation: Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Av.Andr Araújo, 2936, Petrópolis, CEP 69067-375, Manaus, Amazonas, Brazil; Email: alerocha@inpa.gov.br.
authors.forename: Rosaly
authors.initials: R
authors.lastname: Ale-Rocha
authors.affiliation: Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Av.Andr Araújo, 2936, Petrópolis, CEP 69067-375, Manaus, Amazonas, Brazil .Fellowship CNPq; Graduate Program in Entomology.; Email: geovaniafreitas@bol.com.br.
authors.forename: Geovânia
authors.initials: G
authors.lastname: Freitas
authors.affiliation: Department of Entomology, NHB 169, PO Box 37012; Smithsonian Institution, Washington, D.C. 20013-7012, USA.; Email: mathisw@si.edu.
authors.forename: Wayne N
authors.initials: WN
authors.lastname: Mathis
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D001838:Bolivia; D001938:Brazil; D004175:Diptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D004484:Ecuador; D005260:Female; D008297:Male; D009929:Organ Size