Template:Bjørnstad, 2014
- Bjørnstad, A. 2014. Studies in Afrotropical Cleomenini (Coleoptera, Cerambycidae, Cerambycinae). VI. Review of the genus Hexarrhopala Gahan, 1890 with a discussion on generic limits vs. the genus Apiogaster Perroud, 1855. Norwegian Journal of Entomology 61: 135–142. Full article (PDF).