Hippa, H. & Jaschhof, M., 2004. A re-evaluation of the genus Colonomyia Colless (Diptera, Sciaroidea), with the description of two new species. Insect Systematics and Evolution, 35, pp.335-352. Available at: http://www.online-keys.net/sciaroidea/add01/Hippa_&_Jaschhof_2004_Colonomyia.pdf.