Male. Taken at Persec, Vienne, France on June 28th 2010.
(1/160th sec at F11. Approx 3x life size.)

© David Hastings

Description

Wing span: 38 - 42 mm; body length: 30 - 36 mm
 
This is a southern species which is gradually spreading north. It is not found in Britain.
 
Males have a unique goblet-shaped mark on S2, and their tail light is shifted to the extreme tip of the abdomen. Females are rather dull with a blue middle to their abdomen. The pterostigma are long and pale.
 
Males often fly fast and low over open water, perching on aquatic vegetation. The species prefers large well-oxygenated waters such as lakes and gravel pits. The main flight period is July and August.

Sightings

28-Jun-2010

:

Persec, Vienne, France.