Synergus symbioticus Schwéger & Melika, 2015

Studied material: Changhua (Zhejiang province), gall 6192 on Q. glandulifera, (2015-IV-21) 2015-V-23: 4 ♂ & 11♀ (2♂ & 3♀ UB).

Species recently described (Schwéger et al., 2015b) obtained from galls of A. kashiwaphilus Abe, 1998 and Andricus hakonensis (Ashmead, 1904) collected on Q. dentata and Q. crispula . Specimens obtained from leaf galls (Fig. 6a) collected on Q. glandulifera . This species is known from Far East Russia and Japan (Schwéger et al., 2015b); first record from Mainland China.