Ptiolina is a genus of snipe flies of the family Rhagionidae."Species of the Genus Ptiolina" at the British Towns and Villages Network. It is found in Northwest Europe, where it prefers woodland areas,Mark van Veen, Fuanist. "Ptiolina of Northwest Europe" and North America.Ross H. Arnett, American Insects: A Handbook of the Insects of America North of Mexico Edition: 2, illustrated, Published by CRC Press, 2000, , . See page 872

Ptiolina species are delicate to fairly robust flies, and range from 3 to 10 mm in length. They are entirely black or brown in colour.

Species Ptiolina alapponica Makarkin & Sidorenko, 2001 Ptiolina alberta Leonard, 1931 Ptiolina angusta Curran, 1931 Ptiolina attenuata Nagatomi, 1986 Ptiolina dudai Lindner, 1942 Ptiolina edeta (Walker, 1849) Ptiolina grandis Frey, 1918 Ptiolina latifrons Nagatomi, 1986 Ptiolina leleji Makarkin & Sidorenko, 2001 Ptiolina longipilosa Nagatomi, 1986 Ptiolina mallochi Hardy & McGuire, 1947 Ptiolina nagatomii Makarkin & Sidorenko, 2001 Ptiolina nervosa Nagatomi, 1986 Ptiolina nitida Wahlberg, 1854 Ptiolina nitidifrons Hardy & McGuire, 1947 Ptiolina obscura (Fallén, 1814) – black-fringe moss-snipefly Ptiolina obsoleta Leonard, 1931 Ptiolina paradoxa (Jaennicke, 1867) Ptiolina pelliticornis Becker, 1900 Ptiolina shimai Nagatomi, 1985 Ptiolina sphaeralis Nagatomi, 1986 Ptiolina vicina Hardy & McGuire, 1947 Ptiolina zonata Hardy & McGuire, 1947

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