Biondi, M. & D’alessandro, P. (2017)

Guilielmia Weise, a little known Afrotropical flea beetle genus: systematic affinities and description of a second new species from Central Africa (Coleoptera, Chrysomelidae, Galerucinae, Alticini)

. Zootaxa, 4323 (4), 572–578.
https://doi.org/10.11646/zootaxa.4323.4.9