Phronia nigricornis Habitat: In caves Distribution after: [Fungus gnats in caves and artificial cave sites (Diptera Sciaroidea: Ditomyiidae, Bolitophilidae, Diadocidiidae, Keroplatidae, Mycetophilidae).]
Phronia dubia Distribution after: Zweiter Nachtrag zu der Fungivoriden-Sammlung des Senckenberg-Museum Frankfurt a. M. (Diptera: Fungivoridae)
Phronia nigricornis Distribution after: New species of the genus Phronia Winnertz (Diptera, Mycetophilidae) from Eastern Fennoscandia and notes on the synonymies in this genus
