Phronia signata Distribution after: A contribution towards checklist of fungus gnats (Diptera, Diadocidiidae, Ditomyiidae, Bolitophilidae, Keroplatidae, Mycetophilidae) in Georgia, Transcaucasia
Phronia signata Distribution after: The fungus gnats (Diptera: Bolitophilidae, Diadocidiidae, Ditomyiidae, Keroplatidae and Mycetophilidae) of Greece, its islands and Cyprus
Phronia austriaca Distribution after: [The complex of fungus gnats (Diptera, Mycetophiloidea) as a component of the entomofauna of territories with a changed hydrological regime.]
Phronia signata Distribution after: Note sur les Mycetophilidae de la règion pyrénéenne et description de quatre espèces nouvelles
Phronia austriaca Distribution after: New species of the genus Phronia Winnertz (Diptera, Mycetophilidae) from Eastern Fennoscandia and notes on the synonymies in this genus