L. hokkaidos (Jankowski, 1993)

Circolagenophrys hokkaidos Jankowski 1993: 222 .

Lagenophrys ampulla Imamura 1940: 267, 268.

Habitat. Freshwater.

Distribution. BR: Palaeartic.

Japan: Hokkaido, near Sapporo; Chitose, fish farm pond (42°48'11.90"N, 141°41'13.62"E).

Hosts. Japan: Jesogammarus (Annanogammarus) annandalei (Tattersall) (cited as Gammarus annandalei) (gills

and maxillipeds).

References. Imamura 1940; Jankowski 1993.