T.  Esaki, Bryan, E. H., and Gressitt, J. L., ?Bibliography?, Insects of Micronesia, vol. 2, pp. 1?68, 1955.

J. L.  Gressitt, ?{Coleoptera: Chrysomelidae}?, Insects of Micronesia, vol. 17, pp. 1?60, 1955.