ПЕРША РЕЄСТРАЦІЯ ЛИЧИНОК ЦЕСТОДИ ECHENEIBOTHRIUM VARIABILE VAN BENEDEN, 1850 (CESTODA: RHINEBOTHRIIDEA) У ЧЕРЕВОНОГОГО МОЛЮСКА HYDROBIA ACUTA У ЧОРНОМУ МОРІ

First discovered and described larvae cestodes Echeneibothrium variabile van Beneden, 1850 in gastropod mollusk Hydrobia acuta (Draparnaud, 1805) in the Black Sea. The probable intermediate hosts and possible ways of implementation of life cycle E. variabile in the Black Sea are discussed.