Sasakawa, M. & Ishizaki, H., 2003. Fungus gnats of the genera Anatella, Allodia and Cordyla in Japan (Diptera: Mycetophilidae). Entomological Science, 6, pp.97-109. Available at: http://www.online-keys.net/sciaroidea/2000_/Sasakawa_&_Ishizaki_2003_Allodia_anatella_Cordyla_Japan.pdf.