Fallén 1813: 246 Beyer 1939: 265–318 Risbec 1951: 223–226 El-Hawagry et al . 2018a: 1387 An overview of the Ephydridae (Diptera) of Saudi Arabia Dawah, Hassan A. Ahmad, Syed K. Abdullah, Mohammed A. Zatwarnicki, Tadeusz Zootaxa 2019 2019-12-17 4711 3 401 445  El-Hawagry et al . 2018a: 1387  8C2CC Fallen 1813 Fallen 1813 [151,498,1780,1808] Insecta Ephydridae Ephydra Animalia Diptera 33 434 Arthropoda species riparia     Ephydra riparia  Fallén 1813: 246;  Beyer 1939: 265–318[morphology, ecology and physiology of larva];  Risbec 1951: 223–226[biology, immature stages]; Zangheri 1957: 9–14 [biology];  El-Hawagry et al. 2018a: 1387[ Saudi Arabia].  Saudi Arabian records: Riyadh Region: Rawdhat Al-Harmaliyah ( El-Hawagry et al. 2018a)   Distribution.This species was recorded from Saudi Arabiaby El-Hawagry et al. (2018a). The species was described from Swedenand has also been recorded from the following area: Nearctic: Canada, United States. Palearc- tic: Afghanistan, Austria, Azores, Belgium, Bulgaria, Canary Islands, China, Czechia, Denmark, Estonia, Finland, France, Germany, Great Britain, Hungary, Madeira Islands, Mongolia, Netherlands, Norway, Poland, Romania, Russia, Sweden, Tunisia, Ukraine.