Saphonecrus yukawai Wachi, Ide & Abe, 2011

Saphonecrus yukawai Wachi, Ide & Abe in Wachi et al. (2011a): 370, ♀ & ♂.

Synergus yukawai (Wachi, Ide & Abe) Schwéger et al. (2015b: 79) .

Saphonecrus yukawai Wachi, Ide & Abe; Ide et al. (2018b): 8 [comb. rev.].

Distribution. Japan (Honshu, Kyushu) (Wachi et al. 2011a: 371–372).

Biology. Reared from midge galls of Ametrodiplosis acutissima (Monzen, 1937) ( Diptera: Cecidomyiidae) on Q. acutissima (sect. Cerris) (Table 2; Wachi et al. 2011a).