Polymorphism in the Ostertagiinae Lopez-Neyra, 1947 and comments on the systematics of these nematodes

@article{Drd2004PolymorphismIT,
  title={Polymorphism in the Ostertagiinae Lopez-Neyra, 1947 and comments on the systematics of these nematodes},
  author={Jan Dr{\'o}żdż},
  journal={Systematic Parasitology},
  year={2004},
  volume={32},
  pages={91-99}
}
A list of 19 polymorphic species of the generaOstertagia, Orloffia, Teladorsagia, Marshallagia andSpiculopteragia is presented. The morphs of the polymorphic species in question have identical females and show similarities in some male features, e.g. the structure of the oesophagus, the synlophe and the shape of the rays of the copulatory bursa. However, they differ by characters which are recognised as generic features, e.g. the structure of spicules, gulbernaculum and genital cone. The… CONTINUE READING

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