Psilopa aeneonigra Loew, 1878
| 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 |