Emperor Dragonfly Anax imperator
78mm Wings, 106mm.
Thorax bright green; abdomen blue with black central line; legs black; eyes green; wings clear with yellow costa.
Generally greenish with thicker black central abdominal line.
Canals, gravel pits, lakes and ponds.
Males have strong flight, flying low over territorial waters. Females lay eggs alone into floating vegetation.
Late May to mid-August. In Great Britain found in most of England and Wales, south of Lancashire/ Humber. Gradually spreading through the East Riding.