Reference

Frank Menzel, Pekka Vilkamaa, J. Smith (2013): Overview of the Black Fungus Gnats from the Tristan da Cunha archipelago, including a redescription of Hyperlasion viridiventris (Frey) (Diptera: Sciaroidea: Sciaridae). – Beiträge zur Entomologie = Contributions to Entomology – 63: 283 - 296.