Snergus [sic] iwatensis Shinji, 1941 Incertae sedis
Snergus [sic] iwatensis Shinji, 1941a: 34, ♀ & ♂.
Distribution. Japan (Honshu) (Shinji 1941a: 34).
Remarks. The types are lost and the original description does not allow confirmation as a Synergus (Abe et al. 2007; Schwéger et al. 2015a). Uncertain status (Abe et al. 2007).
Biology. Reared from undetermined galls on Q. serrata (sect. Quercus) (Shinji 1941a).