new species of Syphacia (Nematoda: Oxyuridae) from Oligoryzomys nigripes (Rodentia: Cricetidae) in Argentina

The aim of this paper is to describe Syphacia kinsellai n. sp. (Nematoda: Oxyuridae) from the cecum of Oligoryzomys nigripes (Olfers 1818) (Sigmodontinae: Oryzomyini) captured in Misiones Province, Argentina. The new species can be differentiated from other species of the genus principally by the sh...

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Bibliographic Details
Published in:Parasitology research (1987) 2007-09, Vol.101 (4), p.1069-1075
Main Authors: del Rosario Robles, María, Navone, Graciela Teresa
Format: Article
Language:English
Subjects:
Animals
Argentina
Biological and medical sciences
Cecum - parasitology
Female
Fundamental and applied biological sciences. Psychology
General aspects
General aspects and techniques. Study of several systematic groups. Models
Invertebrates
Male
Microscopy, Electron, Scanning
Nemathelminthia. Plathelmintha
Oxyuriasis - parasitology
Oxyuriasis - veterinary
Oxyuroidea - anatomy & histology
Oxyuroidea - classification
Oxyuroidea - ultrastructure
Rodent Diseases - parasitology
Sigmodontinae - parasitology
Species Specificity
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Summary:The aim of this paper is to describe Syphacia kinsellai n. sp. (Nematoda: Oxyuridae) from the cecum of Oligoryzomys nigripes (Olfers 1818) (Sigmodontinae: Oryzomyini) captured in Misiones Province, Argentina. The new species can be differentiated from other species of the genus principally by the shape of the cephalic plate; distribution of submedian papillae and amphids; development of porous badge; presence of derids in females; absence of cervical and lateral alae; shape and structure of accessory hook of gubernaculum; and distance of excretory pore and vulva from the anterior extremity. Until the present, only two species of Syphacia had been reported from Argentina in sigmodontine rodents, the first one parasitizes an Oryzomyini host and the second one an Akodontini host. This new species is the second record of Syphacia from the tribe Oryzomyini in Argentina; however, we propose that the first record, S. oryzomae, should be treated as a nomen dubium.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-007-0595-7