Euhrychiopsis lecontei pupa and pupal chamber in Eursian watermilfoil stem. Pupal chambers are generally located > 0.5 m down on the stem. Photo by Lynn Maher.
Euhrychiopsis lecontei pupa and pupal chamber in Eursian watermilfoil
stem. Pupal chambers are generally located
> 0.5 m down on the stem. Photo by Lynn Maher.