(16) Monopylidium borealis (Krabbe, 1869) Spasskaya & Spasskii, 1977

Report: Georgiev (1991).

Host: Luscinia megarhynchos Brehm, 1831 .

Locality: Harmanli.

General distribution: Holarctic (Matevosyan, 1963; Spasskaya & Spasskii 1977; Schmidt 1986; Georgiev 1991).

Remarks: Petrova (1978) recorded the species „ Pseudanomotaenia trigonocephala (Krabbe, 1869) Matevosyan, 1963 “ from Luscinia megarhynchos and Cinclus cinclus from Harmanli, Stara Zagora and Elchovo. These specimens have been re-examined and the cestodes from Luscinia megarhynchos from Harmanli has been recognized by Georgiev (1991) as belonging to another species, i. e. Monopylidium borealis .