BioStor
 | The mayflies of northeastern Minnesota (Ephemeroptera) T M Lager, M D Johnson and W P Mccafferty (1982) Proceedings of the Entomological Society of Washington 84(4): 729-741 |
 | Leptohyphes Zalope (Ephemeroptera : Leptohyphidae): A Polytypic North And Central American Species D E Baumgardner and W P Mccafferty (2000) Entomological News 111: 49-59 |