Issue |
Ann. Parasitol. Hum. Comp.
Volume 45, Number 3, 1970
|
|
---|---|---|
Page(s) | 289 - 293 | |
DOI | https://doi.org/10.1051/parasite/1970453289 | |
Published online | 11 October 2017 |
Mémoire
Description de Vexillata petteri n. sp. Nématode Héligmosome parasite d’un Rongeur néarctique
Laboratoire de Zoologie (Vers), associé au C.N.R.S. (Pr A.-G. Chabaud), Muséum National d’Histoire Naturelle, 57, rue Cuvier, F 75 - Paris-5e, France.
Description de Vexillata petteri n. sp., Nématode Heligmosome, parasite d’un Rongeur néarctique.
Le synlophe de ce parasite, caractéristique, est constitué par des arêtes cuticulaires disposées symétriquement par rapport au plan frontal de l’animal et dont le gradient de taille est tel que droite > gauche pour les deux faces (excepté les deux arêtes gauches).
Ce synlophe est comparable à celui rencontré chez Travassostrongylus travassosi, parasite d’un Didelphis azarae et permet de séparer chez les Héligmosomes de Geomyoidea une petite lignée dont l’origine se situe chez les Trichostrongylides de Marsupiaux.
Cette lignée comporte actuellement deux espèces : Vexillata petteri et Vexillata vexillata (Hall, 1916).
Abstract
Description of the Heligmosome Nematode Vexillata petteri n. sp., parasite of a neartic Rodent.
The synlophe of this parasite is made of cuticular ridges symetrically arranged along both sides of the frontal line of the animal, its size gradient is such that the right ridges are more highly developed than the left ones on both sides (except the two ridges which are close to the left lateral field).
This characteristic synlophe is closely related to this found in Travassostrongylus travassosi a parasite of Didelphis azarae, and this fact allows for separating a branch of the Heligmosomes
which are parasites of Geomyoidea, and originated from the Trichostrongylids of Marsupials.
At the present time two species are to be included in this little branch : Vexillata petteri and Vexillata vexillata (Hall, 1916).
© Masson, Paris 1970, transferred to Société Française de Parasitologie
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