G. C.  Champion, ?Coleoptera, Curoulionidae [of the Seychelles]?, Transactions of the Linnean Society, London, vol. 16, pp. 393-497, 1914.

W. S.  Blatchley, ?Some new Rhynchophora from castern North America with additions to and corrections of the "Rhynchophera of North-eastern America."?, J. New York ent. Soc., vol. 28, pp. (161-178), 1920.