title: The Shannoniella sisters (Diptera: Rhinophoridae).
abstract: Shannoniella cuspidata Townsend, 1939 is redescribed and S. setinervis sp. nov. (Brazil, State of Rio de Janeiro) is newly described as its putative sister taxon, thereby allowing for a strict definition of the genus Shannoniella Townsend, 1939 through explicit synapomorphies. An identification key is provided.
authors.affiliation: Department of Zoology, Institute of Biosciences, University of São Paulo, São Paulo, Brazil; Email: silvionihei@gmail.com.
authors.forename: Silvio S
authors.initials: SS
authors.lastname: Nihei
authors.affiliation: Department of Zoology, Institute of Biosciences, University of São Paulo, São Paulo, Brazil; Email: unknown.
authors.forename: Marcos R
authors.initials: MR
authors.lastname: Andrade
authors.affiliation: Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark; Email: unknown.
authors.forename: Thomas
authors.initials: T
authors.lastname: Pape
authors.affiliation: DAFNAE-Entomologia, Università degli Studi di Padova, Padova, Italy Dipartimento di Biologia e Biotecnologie 'Charles Darwin', 'Sapienza' Università di Roma, Rome, Italy; Email: unknown.
authors.forename: Pierfilippo
authors.initials: P
authors.lastname: Cerretti
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D001938:Brazil; D004175:Diptera / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D005260:Female; D008297:Male; D009929:Organ Size