The rosy apple aphid (RAA) can be found throughout the apple growing regions of North America. In the spring, the aphids feed on apple leaves and fruits, and in the summer move to alternate hosts, such as narrow-leaved ...

The white apple leafhopper (WALH) is native to and widely distributed throughout the apple growing regions of North America. The WALH has 2 generations a year and overwinters in the egg stage.

The grape cane girdler is one of two Ampeloglypter species which can attack new shoot growth in the spring. It has been reported from throughout the midwestern and eastern United States. Originally this species was described ...

The grape cane gall maker is one of two Ampeloglypter species which can damage new shoot growth in the spring. This small snout beetle is apparently present throughout eastern and midwestern North America and has caused ...

Scorch is a viral disease that is a considerable threat to New York blueberry (Vaccinium spp.) production. Caused by Blueberry scorch virus (BlScV), the disease is spread through clonal propagation of infected plant ...

The grape berry moth, a major pest of cultivated grapes, is native to eastern North America where it originally occurred on wild grapes. Its present range of distribution is the territory east of the Rocky Mountains, ...

Angular leaf scorch was first described in 1985. Its symptoms are similar to those of rotbrenner, a disease of grapevines found in the cool grape-growing regions of Europe such as Austria, Germany, the Alsace and Champagne ...

Botrytis fruit rot, also called gray mold, is a major disease of strawberries throughout the world. The disease, caused by the fungus Botrytis cinerea. is responsible for fruit losses of 50 percent or more during cool, wet ...

Two native tephritid flies feed on cultivated cherries in the eastern United States and eastern Canada, the cherry fruit fly, R. cingulata, and the black cherry fruit fly, R. fausta. The range of the cherry fruit fly (CFF) ...

Grape tumid galls, also called grape tomato galls, are caused by larvae of a small fly known as the grape tumid gallmaker (GTG). This pest is native to the northeastern United States and southeastern Canada. It infests ...