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The nymphs of the genus Camelobaetidius Demoulin(Ephemeroptera : Baetidae) in Brazil : new species, new records,and key for the identification of the species

Published online by Cambridge University Press:  15 February 2009

F. F. Salles  and
J. E. Serrão
F. F. Salles
Affiliation:
Universidade Federal de Viçosa, Departamento de Biologia Animal, 36571-000, Viçosa, MG, Brazil
J. E. Serrão
Affiliation:
Universidade Federal de Viçosa, Departamento de Biologia Geral, 36571-000, Viçosa, MG, Brazil
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Abstract

Three new species of Camelobaetidius Demoulin (Ephemeroptera : Baetidae), C. hamadae sp. n., C. lassance sp. n., and C. maranhensis sp. n., are described based on nymphs from Brazil. Some of the diagnostic characters of the new taxa are : C. hamadae sp. n., two thoracic gills at base of forelegs and claws with 36-37 denticles ; C. lassance sp. n., claws with approximately 60 denticles and posterior margin of terga with few, large and elevated spines ; C. maranhensis sp. n., pronotum with medial pair of tubercles and terminal filament shorter than 10th abdominal segment. Camelobaetidius cayumba (Traver & Edmunds), C. matilei Thomas & Perú, and C. tuberosus Lugo-Ortiz & McCafferty, are recorded for the first time from Brazil. A key to the species of Camelobaetidius recorded from Brazil based on nymphs is presented.

Keywords

EphemeropteraBaetidaeCamelobaetidiustaxonomyBrazil
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 41 , Issue 4 , December 2005 , pp. 267 - 279
Copyright
© Université Paul Sabatier, 2005

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