S. G. A. K.  Marshall, ?On a collection of Curculionidae (Cole-optera) from Angola?, Publ. cult. Cia Diamant. Angola, Lisbon, pp. 99-119, 1953.

S. G. A. K.  Marshall, ?On a collection of Curculionidae (Cole-optera) from Angola?, Publ. cult. Cia Diamant. Angola, Lisbon, pp. 99-119, 1953.