M. Biondi, F. Urbani, and P. D’Alessandro, “Revision of the Aphthona cookei species group in Sub-Saharan Africa: pests of Jatropha curcas L. in biodiesel plantations (Coleoptera, Chrysomelidae, Galerucinae, Alticini)”, Entomologia, vol. 1, no. 1, p. e7, Oct. 2013.