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Description of cysticercoid of Coronacanthus vassilevi Genov, 1980 (Cestoda:Hymenolepididae)


, : Description of cysticercoid of Coronacanthus vassilevi Genov, 1980 (Cestoda:Hymenolepididae). Parasite 1(2): 161-165

Genus Coronacanthus Spassky, 1954 contains three species--C. integra (Hamann, 1891), C. omissa (Baer et Joyeux 1943) and C. vassilevi Genov, 1980--but larval stages of only first two species were described before. During 1991-1993 cysticercoids of all three species were found from gammarid crustaceans in Eastern Carpathians. The article contains an illustrated description of the cysticercoid of C. vassilevi. It differs considerably from the formerly known Coronacanthus larvae by the egg-shaped (not lens-shaped) form of the cyst, absence of marginal thickening of the cyst wall, by the shape and length of cercomer and besides, by the invagination of the anterior part of the scolex. Microvilli on the cyst surface were not detected with light microscope. Cercomer of C. vassilevi is narrow and very long as for mammalian hymenolepidid (4.7 to 8 times longer than cyst). The number (37-38), length (8-9 microns) and shape of rostellar hooks well correspond to those of adult worms (Genov, 1980).

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Accession: 045732310

PMID: 9140482

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Related references

Tkach, V.V., 1994: Description of cysticercoid of Coronacanthus vassilevi Genov, 1980 (Cestoda: Hymenolepididae). Cysticercoids of the 3 species of the genus Coronacanthus (C. integra, C. omissa and C. vassilevi) were found in gammarids in the Carpathian National Park, Ivano-Frankov, Ukraine. The cysticercoid of C. vassilevi, found in Gammarus (Rivulogammarus...

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