Spider mite feeding damage to cherry.
Check fruit for damage throughout the season. The brown material on the outside of this fruit is frass (excrement), indicating a larva feeding on the seeds...
Progression of spider mite damage to raspberry from lower leaves to top.
Small colony of rosy apple aphids on the underside of an apple leaf.
Rosy apple aphids cause leaf-curling as they feed, and can distort the fruit.
Fire blight infections occur through the blossoms and turn tissue brown or black.