Figs 11 A–E
Ophyra groenlandica Lundbeck, 1901: 281.
Material examined. RUSSIA: Chukotka Autonomous Okrug: Chaunskii raion, 6 male, Krasnoarmeyskii village, ~ 69 ° 32 'N 172 °00'E, 8.vii. 1963, K. Gorodkov (1 male in SZMN, rest in ZIN); 1 male, Pevek village, ~ 69 ° 42 'N 170 ° 19 'E, 4.viii. 1972, K. Gorodkov (ZIN); Iultinskii raion, 1 male, 5 km N Egvekinot, ~ 66 ° 22 'N 179 °07'E, 26.vii. 1963, K. Gorodkov (ZIN). Krasnoyarsky Krai, Norilsk, 3 males, 3.vii. 1967, Grunin (ZIN); Taymyr Peninsula: 2 males, Ary-Mas cordon, 72.5 ºN 101.94 ºE, 9–20.vii. 2010, A. Barkalov; 1 male, middle part of Pyasina River, Tareya River, ~ 73 ° 12 'N 91 ° 36 'E, 29.vii. 1967, K. Gorodkov (ZIN). Sakha Republic: Allaikhovskii ulus, 1 male and 1 female, Chokurdakh, Indigirka River, ~ 70 ° 37 'N 147 ° 54 'E, 11.vii.1966, 12.vii. 1966, K. Gorodkov; Anabarskii ulus, 1 male, Uryung-Khaya, bank of Anabar River, ~ 72 ° 48 'N 113 ° 13 'E, 7.viii. 1988, K. Gorodkov.
Remarks. The species can be identified from the keys in Huckett (1965 a), and a good description was given by Stein (1916: 46). Flies were collected from flowers of Descuraina sophioides, Ledum sp., Matricaria sp. Distribution. Previously known only from northern North America: the Yukon, Northwest Territories, Quebec and Greenland.