Distribution: The species shows a more northern distribution, extending from Britain, West-, Central and East-Europe to Scandinavia, the Baltic States and NW-Russia.

Habitat: Hagenella clathrata inhabits standing waters in fens and moors and can be found among tussocks of grasses and sedges (Botosaneanu & Malicky 1978, Mey & Joost 1986, Pitsch & Weinzierl 1992, Robert & Wichard 1994, Wallace et al. 2003).

Adults: Adults are on the wing from May to July (Waringer & Graf 1997).