BioStor
 | Neue amerikanische Dipteren (1914) Deutsche Entomologische Zeitschrift 1914: 151-176 |
 | Costa Rican Diptera collected by Philip P. Calvert, Ph.D., 1909-1910. Paper 3. —A report on the Ephydridae E T Cresson (1918) Transactions of The American Entomological Society 44: 39-68 |
 | A revision of the shore-fly genus Cressonomyia Arnaud (Diptera: Ephydridae), with comments on species that have been excluded Wayne N Mathis and Tadeusz Zatwarnicki (2004) Proceedings of the Entomological Society of Washington 106: 249-279 |
 | A review of two nearctic shore-fly species in the genus Psilopa fallén that were included in the genus Cressonomyia Arnaud (Diptera: Ephydridae) Wayne N Mathis and Tadeusz Zatwarnicki (2004) Proceedings of the Entomological Society of Washington 106: 639-648 |