Synergus deqingensis Pujade-Villar, Wang, Chen & He, 2014
Synergus deqingensis Pujade-Villar, Wang, Chen & He in Pujade-Villar et al. (2014b): 535, ♀ & ♂.
Synergus changtitangi Melika & Schwéger in Schwéger et al. (2015a): 466, ♀ & ♂ [syn. in Lobato-Vila et al. (2021a: 348)].
Distribution. China (Henan, Zhejiang Provinces) (Pujade-Villar et al. 2014b: 536, 538; Lobato-Vila et al. 2021a: 348) and Taiwan (Schwéger et al. 2015a: 466, 469).
Remarks. Redescribed and illustrated by Lobato-Vila et al. (2021a).
Biology. Reared from multilocular stem swelling-like galls on Q. serrata (sect. Quercus) (Schwéger et al. 2015a; Lobato-Vila et al. 2021a). The gall inducer has yet to be confirmed.