Chalcolestes viridis, also known as the willow emerald damselfly and the western willow spreadwing, is a species of
damselfly in the family
Lestidae. Featuring a metallic green body, it has an elongated abdomen and pale brown spots on its wings and resides in areas of still water with overhanging trees. This photograph of a male
C. viridis damselfly perching on a twig was taken in
Mannheim, Germany, in 2017.
Photograph credit: Andreas Eichler