This type of damage is not seen in grape leaves early in the spring although black grass bugs are abundant ... Humped green fruitworm feeding on shoot tip. Note two petioles from which leaf blades are ...

The brown marmorated stink bug has over 170 host species (fruit, nuts, vegetables, and ornamentals) including the following agricultural crops: grape, pear ... Kron, UC IPM. Figure 4. Leaves have a ...

Symptoms of Powdery mildew include the production of white, fuzzy lesions on vegetative parts of the plant (leaves, petioles, vines) and stems of fruit. Lesions will often appear first on lower leaves ...