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.

K. W. Dalla Torre and Voss, E., Curculionidae: Archolabinae, Attelabinae, Apoderinae., vol. 110. W. Junk, 1930.

K. W. Dalla Torre and Hustache, A., Curculionidae: Ceuthorrhynchinae., vol. 113. W. Junk, 1930.