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  One of the beetles on Watercress, showing some of the damage


6/10/2018  Beetle larva – also found on the watercress

on Bugguide