Taxonomic status of Cyathostoma nematodes (Nematoda: Syngaminae) parasitizing respiratory tracts of birds of prey and owls in Europe and North America: how many species are there?

Author:

Kanarek G.1,Zaleśny G.2,Sitko J.3,Blanco A. I.4

Affiliation:

1. Ornithological Station, Museum and Institute of Zoology Polish Academy of Sciences, Nadwiślańska 108, 80-680 Gdańsk, Poland

2. Institute of Biology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5b, 51-631Wrocław, Poland

3. Comenius Museum, Horní nám. 7, 750 11 Přerov, Czech Republic

4. Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, Connecticut, USA

Abstract

Summary So far, the identity of Cyathostoma (Hovorkonema) nematodes collected from respiratory tracts of birds of prey (Accipitriformes, Falconiformes) and owls (Strigiformes) in Europe and North America is extremely inconsistent. Our results, based on analyses of ITS-2 sequences suggest that the Cyathostoma (Hovorkonema) nematodes found in the birds of prey and owls from Central Europe and North America probably belong to the same species, C. (Hovorkonema) americanaChapin, 1925. We are convinced, that described in recent literature high ITS-2 divergence among C. (Hovorkonema) nematodes collected from Europe, has occurred as a result of invalid synonimisation of some C. (Hovorkonema) species. In our opinion C. (Hovorkonema) americana (typically parasites of tracheae and air sacs of raptors) and C. (Hovorkonema) variegatum (Creplin, 1849) (typically parasites of tracheae of cranes and storks) are valid molecular and morphologically distinct species.

Publisher

Walter de Gruyter GmbH

Subject

Animal Science and Zoology,Parasitology

Reference42 articles.

1. Ali, M.M. (1970): A review and revision of the subfamily Cyathostominae Nicoll, 1927 (Nematoda, Syngamidae). Acta Parasitol. Pol., 17: 237 – 246

2. Baruš, V., Tenora, F. (1972): Notes on the systematics and taxo53 nomy of the nematodes belonging to the family Syngamidae Leiper, 1912. Acta Univ. Agric. Brno, 20: 275 – 286

3. Baruš, V., Sergeeva, T.P., Sonin, M.D., Ryzhikov, K.M. (1978): Nematoda. In: Ryšavý, B., Ryzhikov K.M. (Eds) Helminths of fish-eating birds of the Palearctic region. Moscow, Prague: USSR Academy of Sciences, Helminthological Laboratory Czechoslovak Academy of Sciences, Institute of Parasitology, 318 pp.

4. Blanchard, E. (1849): Investigations on the organization of Vermes. Ann. Sci. Nat. Zool. 3: 106–202 (In French)

5. Borgsteede, F.H.M., Okulewicz, A. (2001): Justification of the species Cyathostoma (Hovorkonema) americana (Chapin, 1925) (Syngamidae-Nematoda). Helminthologia, 38: 151 – 154

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