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 longiscapus Pujade-Villar & Lobato-Vila, 2017 Synergus longiscapus Pujade-Villar & Lobato-Vila in Lobato-Vila & Pujade-Villar (2017) . Zool. Stud. 56 (36): 14. Type material: UB ( holotype ), paratypes in UB , USNM , and AMNH. Diagnosis . See Lobato-Vila et al . (2020c: 23) . Distribution . Mexico : Ciudad de México , México , Morelos , Nuevo León , Oaxaca , Tlaxcala , Veracruz , and Zacatecas ( Lobato-Vila & Pujade-Villar 2017 ; Lobato-Vila et al. 2020b , 2020c ). Biology . Mainly associated with woolly galls initiated by Andricus , but also with other gall morphotypes (never tuberous galls) initiated by Andricus , Cynips , Disholcapsis , Loxaulus , Neuroterus and some undetermined small spherical galls on leaves, on oaks of both Quercus and Lobatae sections ( Lobato-Vila & Pujade-Villar 2017 ; Lobato-Vila et al. 2020b, 2020c).