Erratum: GEORGE MELIKA, JULI PUJADE-VILLAR, JAMES A. NICHOLLS, VICTOR CUESTA-PORTA, CRYSTAL COOKE-McEWEN & GRAHAM N. STONE (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld. Zootaxa, 4993: 001–081. - Melika, George; Pujade-Villar, Juli; Nicholls, James A.; Cuesta-Porta, Victor; Cooke-Mcewen, Crystal; Stone, Graham N. (Zootaxa, 2021)