This pic is important for me because this insect was very rare on the river Danube for tens of years,(even old sailors didn't saw it) due to the water-pollution but since 2-3 years they appeared again in the Danube. This mean the river is clear again. In spite of its English name they swarm in middle of August.
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Like the visible structures on the wings.
Great details, very good wing folds. It is a good sign to reverse pollution.
The wings are spectacular, but the thorax is over-exposed. I love the look of it though.
I Like It!!!