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New record of metacercariae of the North American Posthodiplostomum centrarchi (Digenea, Diplostomidae) in pumpkinseed (Lepomis gibbosus) in Hungary

Cech, Gábor and Sándor, Diána and Molnár, Kálmán and Paulus, Petra and Papp, Melitta and Preiszner, Bálint and Vitál, Zoltán and Varga, Ádám and Székely, Csaba (2020) New record of metacercariae of the North American Posthodiplostomum centrarchi (Digenea, Diplostomidae) in pumpkinseed (Lepomis gibbosus) in Hungary. Acta Veterinaria Hungarica, 68 (1). pp. 20-29. ISSN 0236-6290

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Abstract

Two species of the genus Posthodiplostomum (Digenea: Diplostomatidae) (P. brevicaudatum Nordmann, 1832 and P. cuticola Nordmann, 1832) are known as parasites of Hungarian native fishes. Metacercariae of P. cuticola are widespread in Europe and cause black spot disease. Several species of Posthodiplostomum were described also from North America but none of them has been isolated in Hungary up to now. Posthodiplostomum centrarchi Hoffmann, 1958 has been detected recently in pumpkinseeds (Lepomis gibbosus L., 1758) in several European countries. Posthodiplostomum centrarchi was isolated for the first time in Hungary from pumpkinseeds caught in the Maconka water reservoir in 2015. Thereafter, several natural waters (e.g. the river Danube, Lake Balaton and the Sió channel) were sampled in order to determine its presence and distribution. Only the native species P. cuticola was detected in Lake Balaton on cyprinids but a relatively high infection rate was observed in the Sió channel close to the lake. Pathological changes were absent, and metacercariae were mostly attached to the surface of the liver, kidney and heart. The phylogenetic analysis of the ITS and COI sequences of P. centrarchi and P. cuticola clustered into two distinct branches, which was in agreement with the morphological results.

Item Type: Article
Subjects: S Agriculture / mezőgazdaság > SH Aquaculture. Fisheries. Angling / vizi növény-és állattartás, halászat, sporthorgászat
S Agriculture / mezőgazdaság > SV Veterinary science / állatorvostudomány
Depositing User: Dr. Csaba Székely
Date Deposited: 04 Mar 2021 14:05
Last Modified: 03 Apr 2023 07:09
URI: http://real.mtak.hu/id/eprint/121927

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