New data on the morphology of Comephoronema oschmarini [Nematoda, Cystidicolidae], a little-known gastrointestinal parasite of Lota lota [Teleostei] in Palaearctic Eurasia

• Autorzy: Moravec F , Hanzelova V. , Gardeaux D.
• Języki publikacji: EN

Abstrakty

The nematode Comephoronema oschmarini Trofimenko, 1974 (Cystidicolidae) was found in the stomach of the burbot Lota lota (Linnaeus) of Lake Geneva, Savoy, France, collected on 23 March 2000 [prevalence 60% (3/5); intensity of infection 2–66 (mean 35)]. This material made it possible to study in detail the morphology of this so far little-known parasite, using both light and scanning electron microscopy (the latter not previously used for this species). The SEM examination showed taxonomically important morphological features, not previously reported, including the presence of distinct terminal pseudolabial projections (protuberances), four submedian labia, four bilobed submedian sublabia, and only four cephalic papillae. Deirids were found to be bifurcated. A description of the true arrangement of the two last pairs of minute caudal papillae and phasmids in the male is given. Species of Compehoronema Layman, 1933 are considered to be closely related to those of Ascarophis van Beneden, 1871. A key to valid species of Comephoronema is provided.

Słowa kluczowe

EN

fish; Teleostei; burbot; Lota lota; Nematoda; Comephoronema oschmarini; morphology; parasitic nematode; Cystidicolidae; nematode; France; gastrointestinal parasite; Lake Geneva

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2007
• Tom: 52
• Numer: 2
• Opis fizyczny: p.135-141,fig.,ref.

Twórcy

autor

Moravec F

• Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic

autor

Hanzelova V.

autor

Gardeaux D.

Bibliografia

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