If you are hanging a yellow sticky trap, you can identify the flies based on wing patterns.
Fruit
Peach twig borer larva.
When pruning out raspberry horntail, look at the pith for indication of frass (right), and keep pruning until it is white (left).
Raspberry horntail feeding causes the tops of canes to wilt and foliage to dry.
Codling moth entries at calyx end (left) and on the side (right), showing copious frass.
Fruit-IPM-PTB-06-22-22
Fruit-IPM-CM-06-22-22
Chlorosis of foliage caused by lack of iron is becoming visible in orchards now.
Prune out fire blight infections to healthy wood, as far as 14 inches from visible symptoms, if possible.
Coryneum blight symptoms on apricot foliage (left) and new fruits (right).
Frass (excrement) on surface of apple fruitlet from codling moth feeding.
Fruit-IPM-PTB-06-06-22
Woolly apple aphids can overwinter on the bark at old wounds like pruning cuts. They start multiplying in spring.
Apple powdery mildew is most often found on newer foliage which is covered in spores and mycelium.
All the small spots on this leaf are brown mites. They are a cool-season mite that cause leaf stippling and overwinter on the bark as eggs.