E. P. Nartshuk 1996: A new species of Idiocelyphus Malloch (Diptera, Celyphidae) from the Philippine Islands. - Entomologica Fennica 7: 133-135.
A new species Idiocelyphus freyi is described from Mindanao, the Philippine Islands. Male genitalia are illustrated. The new species is included in the key of the species of Idiocelypus.