Hutson, A.M., 1978. An undescribed African species of Leia (Dipt., Mycetophilidae) infesting root ginger in London. ENTOMOLOGIST'S MONTHLY MAGAZINE, 113. Available at: http://www.online-keys.net/sciaroidea/add01/Hudson_1977_Leia_n_sp.pdf.

Hutson, A.M., 1979. Notes on Sciophilinae (Dipt., Mycetophilidae) with a revision of Palaearctic Syntemna Winnertz. ENTOMOLOGIST'S MONTHLY MAGAZINE, 114, pp.131-145. Available at: http://www.online-keys.net/sciaroidea/1971_80/Hutson_1979_Sciophilinae.pdf.