Willow Emerald
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Lestes viridis
Scarce in Eastern England & is now expanding range west & southwards.
They are larger and darker, and they do not have a powder blue pruinescence which is common in other Lestes.
The pterostigma is pale brown and outlined in black.
The thorax has thin yellow antehumeral areas and a broader yellow stripe above a thin black line on each side; the upper edge of the stripe is irregular.
Male – The abdomen is very long.
The lower anal appendages are less than half the length of the upper which are a distinctive pale yellow with black tips.
Female – The ovipositor is longer than in Lestes dryas.
Flies from May-August, sometimes into September.