Abstract—
The complete life cycle and the stages in the trematode Gynaecotyla adunca (Linton, 1905) (Yamaguti, 1939) from two different biotopes are described. The findings have revealed that, in the Black Sea, the trematodes G. adunca parasitize gastropods Hydrobia acuta (Draparnaud, 1805) as their first intermediate hosts and the shrimp Palaemon adspersus (Rathke, 1837) as the second intermediate hosts. According to our research, the definitive host is the gull Larus argentatus (Pontoppidan, 1763). Measurements, figures, and morphological characteristics of the species at all stages of development are provided.
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ACKNOWLEDGMENTS
We thank M. Makarov (Kovalevsky Institute of Biology of the Southern Seas) for his participation in the collection and identification of the mollusk species composition; T.N. Mordvinova for preparation of mounts of trematodes from the gull; V.K. Machkevsky for sampling the shrimp; and Yu.M. Kornichuk for scientific advice during editing.
Funding
This work was conducted as part of a State Assignment of the Kovalevskii Institute of Biology of the Southern Seas, Russian Academy of Sciences, topic no. АААА-А18-118020890074-2.
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The authors declare that they have no conflict of interest. This article does not contain any studies involving animals performed by any of the authors.
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Translated by E. Kuznetsova
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Belousova, Y.V. Life Cycle of the Trematode Gynaecotyla adunca (Trematoda: Microphallidae) in the Black Sea. Biol Bull Russ Acad Sci 48, 561–568 (2021). https://doi.org/10.1134/S1062359021050058
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DOI: https://doi.org/10.1134/S1062359021050058