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A new species of Diomedenema (Nematoda, Rhabditida, Spiruromorpha) from Spheniscus magellanicus (Aves, Sphenisciformes) found on the southern coast of Brazil

Published online by Cambridge University Press:  07 August 2017

M. Knoff ,
J.N. Santos ,
E.G. Giese ,
D.C. Gomes  and
Â.T. Silva-Souza
M. Knoff*
Affiliation:
Laboratório de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brazil
J.N. Santos
Affiliation:
Laboratório de Biologia Celular e Helmintologia “Profa. Dra. Reinalda Marisa Lanfredi”, Instituto de Ciências Biológicas, Universidade Federal do Pará (UFPA), Belém, PA, Brazil
E.G. Giese
Affiliation:
Laboratório de Histologia e Embriologia Animal, Instituto de Saúde e Produção Animal, Universidade Federal Rural da Amazônia, Belém, PA, Brazil
D.C. Gomes
Affiliation:
Laboratório de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, RJ, Brazil
Â.T. Silva-Souza
Affiliation:
Departmento de Biologia Animal e Vegetal, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Londrina, PR, Brazil
*
*E-mail: knoffm@ioc.fiocruz.br
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Abstract

A new species of the genus Diomedenema, a spiruromorph nematode, collected from the lung of Spheniscus magellanicus (Sphenisciformes) found on the southern coast of the state of Rio Grande do Sul, Brazil, is described. The new species is differentiated from the only previously described species of the genus, D. diomedeae Johston & Mawson, 1952, by males possessing a set of caudal papillae with three pairs of precloacal, two pairs of adcloacal and one pair of postcloacal papillae; precloacal papillae with the papillae of the first two pairs being closer to each other than those of the third pair; a longer and pointed tail in males; and females with the vulva at mid-body. This is the first report of a nematode infecting the lung of a sphenisciforme host.

Type
Research Paper
Information
Journal of Helminthology , Volume 92 , Issue 4 , July 2018 , pp. 514 - 519
Copyright
Copyright © Cambridge University Press 2017 

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