Synergus itoensis Abe, Ide & Wachi, 2011
Synergus itoensis Abe, Ide & Wachi in Abe et al. (2011): 117, ♀ & ♂.
Distribution. Japan (Honshu, Kyushu) (Abe et al. 2011: 117–118).
Biology. Synergus itoensis has been shown experimentally to induce cryptic galls in acorns of Q. glauca (sect. Cyclobalanopsis) (Abe et al. 2011).