Sighting for May 1, 2020

Keara R. Giannotti

Marlton
Burlington County, NJ

In a field of Rumex acetosella and Barbarea vulgaris. There were at least 100 of them, all nectaring on the B. vulgaris.

[KG also has a video to confirm this sudden eruption of coppers. jc]

  • American Copper 100

Amer

American Copper