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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Morfologia do g?nero Baetodes Needham & Murphy (Ephemeroptera: Baetidae) com filogenia do Complexo Baetodes / Morphology of the genus Baetodes Needham & Murphy (Ephemeroptera: Baetidae) with phylogeny of Baetodes Complex

SOUZA, Marcia Regina de 24 February 2015 (has links)
Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2017-09-05T19:37:03Z No. of bitstreams: 1 2015 - Marcia Regina de Souza.pdf: 8881663 bytes, checksum: 131a869d3fb01beb94aa945ed1c8754d (MD5) / Made available in DSpace on 2017-09-05T19:37:03Z (GMT). No. of bitstreams: 1 2015 - Marcia Regina de Souza.pdf: 8881663 bytes, checksum: 131a869d3fb01beb94aa945ed1c8754d (MD5) Previous issue date: 2015-02-24 / CAPES / Baetidae is the second richest family of Ephemeroptera, with cosmopolitan distribution and with morphology based on nymphs. The Baetodes Complex groups six Neotropical genera of Baetidae: Baetodes, Lugoiops, Moribaetis, Mayobaetis and Spiritiops which share a posterior seta on tarsal claw. Baetodes, that provides the complex name, is the richest genus among the genera above. Adaptations to climber habit provide to Baetodes an unusual morphology different from no-reophilics genera. Account this and poorly drawn structures, some features of Baetodes create some doubts. On present work, we revised morphology of Baetodes, described new structures, improved generical description, provided a list and images of features with interspecifical variation and, also, proposed the use of new terms. Monophyly of Baetodes Complex was recovered excluding Spiritiops and adding Indobaetis. Prebaetodes and Baetodes were recovered to sister-group, as well Lugoiops and Mayobaetis. The presence of a posterior seta on tarsal claw and the presence of a distomedial projection on article I of forceps, as well as on some former works, were recovered synapomorphic to new Baetodes Complex. / Baetidae ? a segunda maior fam?lia da ordem Ephemeroptera em n?mero de esp?cies, possui distribui??o cosmopolita e tem a taxonomia descritiva baseada no est?gio ninfal. O Complexo Baetodes ? um grupo com seis g?neros neotropicais de Baetidae: Baetodes, Lugoiops, Moribaetis, Mayobaetis e Spiritiops que compartilham a presen?a da cerda posterior na garra tarsal. Baetodes, que d? nome ao complexo, ? o g?nero com maior n?mero de esp?cies dentre os seis g?neros supracitados. Adapta??es ao h?bito agarrante conferem a Baetodes uma morfologia que destoa dos g?neros n?o-re?filos de Baetidae. Em fun??o disso e de estruturas mal ilustradas, algumas caracter?sticas morfol?gicas de Baetodes atualmente ainda permanecem d?bias. No presente estudo a morfologia de Baetodes foi revisada, novas estruturas descritas, a descri??o gen?rica ampliada, caracter?sticas que variam entre as esp?cies foram diagnosticadas e ilustradas e, alguns novos termos propostos. O monofiletismo do Complexo Baetodes foi recuperado com exclus?o de Spiritiops e inclus?o de Indobaetis. Prebaetodes e Baetodes foram recuperados como grupos-irm?os, bem como Lugoiops e Mayobaetis. A presen?a da cerda posterior na garra tarsal e a presen?a da proje??o distomedial no art?culo I dos f?rceps, assim como em alguns estudos pr?vios, foram recuperados como sinapomorfias do novo Complexo Baetodes.

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