Jakovlev, J., Kjærandsen, J. & Viklund, B., 2008. Fungus gnats (Diptera: Bolitophilidae, Diadocidiidae, Ditomyiidae, Keroplatidae & Mycetophilidae) from Tyresta National Park and Nature Reserve in Sweden. Sahlbergia , 14(1), pp.29-52. Available at: http://www.online-keys.net/sciaroidea/add01/Jakovlev_al_2008_fungus_gnats_from_tyresta.pdf.

Jakovlev, J. & Polevoi, A., 2009. Two new species of the genus Phronia Winnertz (Diptera: Mycetophilidae) from Finland and Russian Karelia. Entomologica Fennica, 19, pp.199-206. Available at: http://www.online-keys.net/sciaroidea/2000_/Jakovlev&Polevoi2008_Phronia.pdf.