Orthonevra brevicornis

Orthonevra brevicornis (Loew, 1843)

Biology & ecology:

The larva is aquatic, living in accumulations of decaying vegetation, especially in mesotrophic or base-rich seepages in fens, meadows and occasionally woods. Adults can be found in marshes and fens.

Distribution:

This scarce species is widely distributed in England, though possibly more frequent towards the south and east. There are scattered records from both Scotland and Wales.

Status & conservation:

The trends suggest that this species' occurrence has declined over the past 25 years, in keeping with many wetland species.

Recorded from 126 hectads since 1990.