|Wet areas, ponds, ditches and marshes, with dense
vegetation. It is now confined to unpolluted fens and
grazing marshes in the Broadlands of Norfolk and
60 - 70 mm.
It has green eyes and clear wings with a diagnostic
yellow triangular mark on the second abdominal segment.
The hindwings have an amber patch at their base.
May - August.
Its common name in English is green-eyed hawker.
In Britain it is a rare and local species, and is known
as the Norfolk hawker.