Rifkind, J., and W. F. Barr. “New Species of Colyphus Spinola (Coleoptera: Cleridae: Clerinae) from Central America, With Taxonomic and Distributional Notes on Some Others”. Zootaxa, vol. 2821, no. 1, Apr. 2011, pp. 55–61, doi:10.11646/zootaxa.2821.1.5.