Parasitism of two zoonotic reservoirs Dasyprocta leporina and D. fuliginosa (Rodentia) from Amazonas, with Trichostrongylina nematodes (Heligmonellidae): description of a new genus and a new species

Memórias do Instituto Oswaldo Cruz

Alessandra Queiroga Gonçalves²  Roberto Magalhães Pinto¹  Marie-claude Durette-desset¹ 

[1] ,Laboratório de Doenças Parasitárias

关键词: Freitastrongylus angelae n. gen.;    n. sp.;    Nematoda;    Trichostrongylina;    Heligmonellidae;    Dasyprocta spp.;    rodents;    Caviomorpha;    Brazil;   

DOI  :  10.1590/S0074-02762007000600017

来源: SciELO

【 摘 要 】

A new genus and a new species of Heligmonellidae nematodes are described parasiting the stomach of three agoutis (two Dasyprocta fuliginosa and one D. leporina) captured in the middle and high Negro river microregion, state of Amazonas, Brazil. The new genus, as well as its type-species, are closely related to the trichostrongylids included in Fuellebornema, particularly on what concerns the pattern of the caudal bursa, but differing from them by the characteristics of the synlophe, that presents a poorly developed carene, when compared to the referred number of body ridges in Freitastrongylus n. gen. and consequently in F. angelae n. sp.,in which the ridges are well developed and the carene at mid-body has a similar size when compared to the ridge situated in front of the right field (ridge no. 5). Caudal bursa is of the type 1-4, with rays 9 shorter than rays 10, with a very long genital cone.

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