S. G.  Marshall, ?New Curculionidae, with notes on synonymy?, Annals and Magazine of Natural History, vol. (10) 6, pp. 551-577, 1930.

S. G.  Marshall, ?New Curculionidae, with notes on synonymy?, Annals and Magazine of Natural History, vol. (10) 6, pp. 551-577, 1930.

G.  Kuschel, ?Nuevas sinonimias, revalidaciones y combinaciones (aporte a Col. Curculionidae)?, Agricultura Técnica, Santiago de Chile, vol. 10, pp. 10-21, 1950.