1. Digramma interrupta (Rudolphi, 1810)

Dubinina, 1953 (Fig. 1) ṣẄPÝŀ충 (ṵAE)

Ligula interrupta Rudolphi, 1810 .

Material examined. Chilgok-gun (36°00′37″N, 128° 23′39″E), Korea; by autopsy of freshwater fish; collected by YS Kang, DM Lee, SJ Choe and HS Park on 3 March 2016 .

Deposition. NIBRIV0000866465, NIBRIV0000866466.

World distribution. China, Japan, Russia and Korea.

Diagnosis. Creamy colored. Total length of the larva 335 - 780 mm (average: 441 mm), the total width 7.0 - 11.5 mm (average: 8.6 mm). The scolex part is slightly narrow, a single groove observed. The reproductive complex grooves are observed in two lines on the dorsal and ventral side (compared to one line in with genus Ligula) and started from about 56 mm later from the scolex and extended to the posterior part of the body.

Remarks. The first description of Digramma interrupta (= Ligula interrupta) was by Rudolphi (1810). The worms are found in the body cavity of cyprinids (eg. Hemiculter, Abramis, Carassius and common carps) in Korea, China, Japan and Russia.