Królik, R., Ruta, R. and Wanat, M. 2026. The genus Orthocis Casey in Poland: a key to species and new records of Orthocis juglandis (Reitter, 1885) and Orthocis perrisi (Abeille de Perrin, 1874) (Coleoptera: Ciidae). Zootaxa. 5845, 1 (Jul. 2026), 157–168. DOI:https://doi.org/10.11646/zootaxa.5845.1.8.