There are at least 9 species of Phaedon in North America – some native, and some invasive.
6/10/2018 A large number of these beetles were eating Watercress (Nasturtium officinale) in the streams that run from some of our springs to the creek.
6/10/2018
6/10/2018 One of the beetles on Watercress, showing some of the damage
6/10/2018 Beetle larva – also found on the watercress
