Springtime production of thick, gummy ooze on peach trees is a symptom of greater peachtree borer. It is treated by preventing further infection with a lower...
Fruit
Rusty spot, caused by apple powdery mildew, is seen on the left side of this peach, while peach powdery mildew is the white spot on the right.
Twice-stabbed lady beetle
Lady beetle pupa
Lady beetle eggs are bright yellow.
The multicolored Asian lady beetle is identified by the letter M design on the pronotum.
To determine cytospora canker, scrape off the bark under the oozing to look for cinnamon-brown (dead) tissue.
All the tiny specks on this bud are eriophyid mites. Blister mites, peach silver mites, and rust mites are all eriophyid mites. They overwinter in bud scales.
Aphids overwinter as eggs near buds. Use oil alone or with an insecticide.
San Jose scale overwinters as a mix of nymphs and adults. Use oil alone or with an pyrethroid or pyriproxyfen (Esteem, for commercial use).
The Fruit PestFinder app can help identify pests while scouting.
To identify fire blight in winter, look for twigs where the leaves remain attached.