Type:— Holotype in HH (54919). Isotype in BPI (072448).
Description:—See Hiratsuka et al. (1992).
Hosts and distribution in Japan:— II, III on Carex sp. (aff. Carex pumila Thunb.) (Hok) (Ito 1950, Hiratsuka 1960, Hiratsuka et al. 1992).
Notes:—This species has been reported from Russian Far East (Ito, 1950, Azbukina 2005).