Oxeye daisy is a showy perennial herb that was introduced from Europe. It is a noxious weed in Washington and several Idaho counties. Once established, oxeye daisy competes against grasses, reduces ca ...
WCR, Diabrotica virgifera virgifera LeConte (Chrysomelidae), is currently a sporadic pest in the Pacific Northwest, but isolated infestations have been severe. The potential for WCR to become a ser ...