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Nucella lapillus as a paratenic host for Maritrema arenaria
McCarthy, H.O.; Irwin, S.W.B.; Fitzpatrick, S.M. (1999). Nucella lapillus as a paratenic host for Maritrema arenaria. J. Helminthol. 73(3): 281-282
In: Journal of Helminthology. Cambridge University Press: London. ISSN 0022-149X, more
Peer reviewed article  

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Keywords
    Host parasite relationships; Paratenic hosts; Nucella lapillus (Linnaeus, 1758) [WoRMS]; Marine
Author keywords
    Maritrema arenaria

Authors  Top 
  • McCarthy, H.O.
  • Irwin, S.W.B.
  • Fitzpatrick, S.M.

Abstract
    Metacercariae of the microphallid trematode Maritrema arenaria are found in the shore barnacle Semibalanoides balanoides which is heavily predated by the dog whelk, Nucella lapillus. This study demonstrated that, under experimental and natural conditions, M. arenaria metacercarial cysts were ingested by N. lapillus and the metacercariae retained their viability while passing through the molluscs' digestive systems. Dog whelks are a known food source for numerous bird species, leading to the conclusion that they may act as paratenic hosts of M. arenaria. The strategic importance of the adoption by M. arenaria of N. lapillus as a paratenic host is discussed.

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