Large, broad, club-tailed species. Males often perch on lilypads. They are dark, marked with white highlights on the face, waist and at the tips of the wings and abdomen. This makes identification through binoculars easy.


Total: 33-37 mm.
Abdomen: 23-25 mm.
Hindwing: 29-32 mm.


Pools and lakes, often in forests (but not shaded), with moderate nutrient levels and rich (especially aquatic) vegetation. The larvae are very spiny, unlike its congeners, surviving high fish densities. In the periphery of its range, often found in oxbows and fishponds.

Flight Season

From mid May to early August. Most abundant in June.

Range and Status

Rare in Denmark.