Archibald, SB; Kehlmaier, C; Mathewes, RW (2014). "Early Eocene big headed flies (Diptera: Pipunculidae) from the Okanagan Highlands, western North America". The Canadian Entomologist. 146 (4): 429–443. doi:10.4039/tce.2013.79.
Koenig, D.P. & C.W. Young. (January 2007). "First observation of parasitic relations between bigheaded flies of the genus Nephrocerus (Diptera: Pipunculidae) and crane flies of the genus Tipula (Diptera: Tupulidae: Tipulinae), with larval and puparial descriptions of Nephrocerus atrapilus Skevington". Proceedings of the Entomological Society of Washington. 109 (1). Washington DC: Allen Press/The Entomological Society of Washington: 52–65. ISSN0013-8797.