The genus Synergus Hartig (Hymenoptera: Cynipidae: Synergini) in the New World: a complete taxonomic revision with a key to species Author Lobato-Vila, Irene Author Pujade-Villar, Juli 0000-0001-7798-2717 jpujade@ub.edu text Zootaxa 2021 2021-01-12 4906 1 1 121 journal article 8839 10.11646/zootaxa.4906.1.1 308129a3-a99f-4012-bb41-d3220692c398 1175-5326 4434000 09383AAD-8E30-4E50-A533-C6DA4D00E33C Synergus striatifrons Pujade-Villar & Lobato-Vila, 2017 Synergus striatifrons Pujade-Villar & Lobato-Vila, 2017 . Zool. Stud. 56 (36): 20. Type material: UB ( holotype ), paratypes in UB , USNM and AMNH . New material examined (10ϐ & 22♀ ). Material collected from Mexico and deposited in UB with the following location data: MEX : P399, Ctra. Mex-Tuxpan, near Lajas Chicas ( HGO ), 20°2’41.85’’N , 98°28’7.86’’W , Ex Amphibolips cibriani , Q. crassipes , ( 22.vi.2019 ) iii–v.2020, JP-V leg. Diagnosis . See Lobato-Vila et al . (2020c: 30) . Distribution . Mexico : Ciudad de México , Hidalgo , México , Tlaxcala , and Zacatecas (Lobato-Vila & Pujade-Villar 2017; Lobato-Vila et al . 2020c ; authors). Biology . Reared from asexual galls of Amphibolips hidalgoensis Pujade-Villar & Melika, 2011 and A. zacatequensis Melika & Pujade-Villar, 2011 on Q. eduardi and Q. crassipes ( Lobato-Vila & Pujade-Villar 2017 ; Lobato-Vila et al . 2020c). The new material presented here was reared from asexual galls of A. cibriani Pujade-Villar, 2018 on Q. crassipes .