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 tenebrosus Lobato-Vila & Pujade-Villar, 2019 Synergus tenebrosus Lobato-Vila & Pujade-Villar in Lobato-Vila et al . (2019) . Proc. Entomol. Soc. Wash. 121 (2): 240. Type material: UB ( holotype ), paratypes in UB and USNM . Diagnosis . See Lobato-Vila et al . (2019: 241). Distribution . Mexico : Guerrero and México (Lobato-Vila et al . 2019). Biology . Reared from tuberous galls of an undetermined species of Andricus on twigs of Q. mexicana and Q. rugosa .