Dr. Murai Éva szerk.: Parasitologia Hungarica 12. (Budapest, 1979)

and WICHROVA (1952) as Disparospora thelohanellus obtained from the Amur river-basin. Until now we have not had knowledge about the occurrence of this species in Europe. It seems to be possible that this parasite got into our waters with the introduction of foreign fish into Europe. Référencée JACZO, I. (1940): Vizsgálatok a Balaton halainak Myxosporidiáin I.- Magyar Biol. Kut. Münk,, 12. 227-285. MOLNÁR, K. (1971): Protoz oan diseases of the fry of herbivorous fishes. - Acta Vet. Acad. Sei. Hung. , 21. 1-14. SCHULMAN, S.S. (1966): Myksosporidii rib fauni SSSR. - Izd. Nauka, Moscow-Leningrad. SCHULMAN, S. S. - WICHROVA, M. (1952): Novij interesnij vid slizistikh sporovikov. Uts. zap. LGU, ser. biol.

, 28. 265-267. Received: 12 February, 1979 JENEY, G. Fisheries Research Institute H-5540, Szarvas Fig. 1: One summer carp infested by Thelohanellus dogieli. Fig. 2: Thelohanellus dogieli (stained in Giemsa solution, magnification 3500 x) 20