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).

Published as part of Lobato-Vila, Irene & Pujade-Villar, Juli, 2021, The genus Synergus Hartig (Hymenoptera: Cynipidae: Synergini) in the New World: a complete taxonomic revision with a key to species, pp. 1-121 in Zootaxa 4906 (1) on page 80, DOI: 10.11646/zootaxa.4906.1.1, http://zenodo.org/record/4434000