Red-legged grasshopper nymphs (left) are mottled brown to green with black markings. Adults (right) are about 1.5 inches long and brown in color. They are so...
Fruit
Migratory grasshopper nymphs (left) are mottled brown-green with black areas, and have black stripes margined with yellow. Adults (right) have a reddish-brown...
Summit disease of grasshoppers is caused by a fungus that "forces" the grasshopper to climb high and grasp the vegetation before it dies.
One option to fight grasshoppers is to plant rows of grains to keep grasshoppers away from the target crop.
Differential grasshopper nymphs (left) are yellowish-brown with black chevrons on their femurs. The adult (right) is the 6th largest grasshopper in the world...
Peach twig borer larvae are exposed during bloom until shoot elongation. Image created using AI (Midjourney).
At tight branch crotches, small wounds can form from tree movement, resulting in ooze that is commonly seen in this location.
Western flower thrips visiting a plum (circled on left) and damage to nectarine fruit on right.
Peach buds sliced in half, with the brown and dead flower ovary on the right killed by frost, and healthy flower on the left.
San Jose scale is an immobile insect that feeds on bark and fruit. Oil targets the overwintering nymphs on the bark.
Peach twig borer feeds on succulent twigs and ripening fruit. It overwinters on the bark, so the oil will smother the tiny larvae.
Pear bud swell
Pear psylla causes browning of pear foliage. It overwinters as eggs near buds.
Peach bud swell