The green peach aphid (GPA) is distributed worldwide and has a host range of over 400 species of plants. In the United States, green peach aphid is a serious pest of vegetables and potatoes. Economic damage results from ...

The potato stem borer was first reported as an economic pest in the United States in 1975. A native of Europe, Siberia, and Japan, it was accidentally introduced into the maritime provinces of Canada before 1908. The insect ...