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 pacificus McCracken & Egbert, 1922 Synergus pacificus McCracken & Egbert, 1922 . Stanford Univ., Pubs., Univ. Ser. Biol. Sci. 3 (1): 56. Type material: CAS ( lectotype ), paralectotypes in CAS and USNM . Synergus profusus McCracken & Egbert, 1922 . Stanford Univ., Pubs., Univ. Ser. Biol. Sci. 3 (1): 59. Type material: CAS ( lectotype ), paralectotypes in CAS and USNM. Synonymized by Lobato-Vila et al . (2020c: 24) . Diagnosis . See Lobato-Vila et al . (2020c: 24) . Distribution . USA : California ( McCracken & Egbert 1922 ). Biology . Reared from galls of Heteroecus pacificus ( Ashmead, 1896 ) (= Andricus pacificus ) on Q. chrysolepis , and from galls of Disholcaspis canescens (Bassett, 1890) on Q . douglasii ( McCracken & Egbert 1922 ) . Remarks . The type material of both Synergus pacificus and S. profusus was examined and the species was redescribed and illustrated by Lobato-Vila et al . (2020c: 24) .