Calopteryx angustipennis

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Calopteryx angustipennis, the Appalachian jewelwing, is a large damselfly in the Calopterygidae family. It is endemic to the United States, living in the southeastern and eastern states from Alabama to New York.

The species ranges from about 50 to 67 mm in length, making it the largest jewelwing damselfly. It stands out because its wings lack dark patches. Both males and females have a metallic green thorax and abdomen, black legs, and wings that are clear or amber with green veins along the top edge. Females are generally less vibrant, with a duller abdomen tip and some pale brown on the thorax.

Appalachian jewelwings prefer woodlands near rocky rivers and large streams with cold, fast-flowing water. They fly from spring into summer, typically from April to August, depending on location. They often perch horizontally on riffles or vegetation along the banks, sometimes in small, scattered groups.

Conservation status: Least Concern.