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Acta Parasitologica

, Volume 59, Issue 1, pp 31–41 | Cite as

Infective larvae of Rhabdiasidae (Nematoda): comparative morphology of seven European species

  • Yuriy Kuzmin
  • Kerstin Junker
  • Odile Bain
Original Paper

Abstract

The morphology of infective third-stage larvae of Rhabdias bufonis, R. rubrovenosa, R. sphaerocephala, R. fuscovenosa, R. elaphe, Entomelas entomelas and E. dujardini is described. The sheath structure in the studied larvae appeared to be similar to that described in other species of the family Rhabdiasidae, its chequered aspect being caused by a combination of outer longitudinal striations and inner longitudinal as well as transverse ridges. The larvae were similar in general morphology but differed in the presence/absence of anterior apical protuberances (pseudolabia), the shape and ornamentation of the tail tip, and the structure of lateral alae in the caudal region of the body. No relationship between the morphological characters of the larvae of the studied species and their taxonomic position or specificity of adult parasites to a particular host group was observed. Regardless, the larvae of each species can be identified by a combination of morphological peculiarities in the anterior and caudal regions of the body.

Keywords

Rhabdiasidae Rhabdias Entomelas infective larvae sheath 

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Copyright information

© Versita Warsaw and Springer-Verlag Wien 2014

Authors and Affiliations

  1. 1.Department of ParasitologyInstitute of ZoologyKyivUkraine
  2. 2.Agricultural Research Council-Onderstepoort Veterinary InstituteOnderstepoortSouth Africa
  3. 3.Muséum National d’Histoire Naturelle, Parasitologie comparéeUMR 7205 CNRS, CP52Paris, Cedex 05France

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