Majka, Christopher G., and Laurent Lesage. 2008. “Introduced Leaf Beetles of the Maritime Provinces, 7: Cassida rubiginosa Muller and Cassida flaveola Thunberg (Coleoptera: Chrysomelidae)”. Zootaxa 1811 (1). Auckland, New Zealand:37–56. https://doi.org/10.11646/zootaxa.1811.1.3.