Dieke GH (1947) Ladybeetles of the genus Epilachna (sens. lat.) in Asia, Europe, and Australia. Smithsonian Miscellaneous Collections, 106(15): 1-183.
Forbes AA, Devine SN, Hippee AC, Tvedte ES, Ward AKG, Widmayer HA, Wilson CJ (2017) Revisiting the particular role of host shifts in initiating insect speciation. Evolution, 71: 1126-1137.