Issue |
Ann. Parasitol. Hum. Comp.
Volume 59, Number 3, 1984
|
|
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Page(s) | 253 - 261 | |
DOI | https://doi.org/10.1051/parasite/1984593253 | |
Published online | 13 September 2017 |
Mémoire
Nematoda : trichostrongyloidea parasites of venezuelan wild mammals. III. The genus Vexillata Travassos, 1937
Nematoda : Trichostrongyloidea parasites de Mammifères sauvages du Venezuela. III. Le genre Vexillata Travassos, 1937
Instituto de Zoologia Tropical, Facultad de Ciencias, Universidad Central de Venezuela, Apartado 47058, Caracas 1041-A, Venezuela.
Accepted: 27 July 1983
Two new species of the genus Vexillata Travassos, 1937 parasitizing Heteromys anomalus of Venezuela are described, V. tejerai n. sp. and V. scorzai n. sp., both close to V. petteri Durette-Desset, 1970 and V. chabaudi Yoyotte-Vado, 1972, by possessing of 4 dorsal ridges and the dorsal rib divided near the tip. Both new species are differentiated from V. chabaudi by having the dorsal rib much shorter than rib 8 ; they are distinguished from V. petteri by having ribs 2 and 3 nearly the same size. The two new species are separated by the significantly greater size of V. tejerai and by the form of the copulatory bursa.
A brief historical review of the genus is given, together with considerations on its origin and its probable relation to the Pudicinae or Brevistriatinae. A key to the 8 known species is also given.
Résumé
Description de deux nouvelles espèces du genre Vexillata Travassos, 1937 : V. tejerai n. sp. et V. scorzai n. sp. parasites à’Heteromys anomalus du Vénézuéla. Toutes deux sont proches de V. petteri Durette-Desset, 1970 et V. chabaudi Yoyotte-Vado, 1972, avec 4 arêtes dorsales et une côte dorsale divisée à l’apex. Elles se différencient de V. chabaudi par une côte dorsale beaucoup plus courte que la côte 8 et de V. petteri par des côtes 2 et 3 de longueur équivalente.
V. tejerai n. sp. se différencie de V. scorzai n. sp. par sa taille plus élevée de façon significative et par la forme de la bourse caudale.
— Bref historique des différentes espèces du genre, origine possible et relations probables avec les Pudicinae-Brevistriatinae.
— Une clé dichotomique des 8 espèces connues est donnée.
© Masson, Paris 1984, transferred to Société Française de Parasitologie
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