All: key to species in Hall, 1957: “Notes and descriptions of new California Bombyliidae (Diptera)." Link
All: key to species in Yeates, 1996: “Revision of the Genus Docidomyia White (Diptera : Bombyliidae)." Link
Nearctic: key to species in Melander, 1950: “Taxonomic notes on some smaller Bombyliidae (Diptera)." Link
All: key to species on page 53 of Hesse, 1956: “A revision of the Bombyliidae (Diptera) of Southern Africa, Part III." Link
Nearctic: key to species in Melander, 1950: “Taxonomic notes on some smaller Bombyliidae (Diptera)." Link
All: key to species on page 74 of Hesse, 1956: “A revision of the Bombyliidae (Diptera) of Southern Africa, Part III." Link