NICHOLLS, J. A.; STONE, G. N.; MELIKA, G. A new genus of oak gallwasp, Protobalandricus Melika, Nicholls & Stone (Hymenoptera: Cynipidae: Cynipini) from California. Zootaxa, Auckland, New Zealand, v. 4472, n. 1, p. 141–152, 2018. DOI: 10.11646/zootaxa.4472.1.7. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.4472.1.7. Acesso em: 3 may. 2025.