https://extension.psu.edu/tree-fruit-insect-pest-yellownecked-caterpillar
Tree Fruit Insect Pest - Yellownecked Caterpillar
The yellownecked caterpillar is a key pest of shade trees. This insect is also destructive to the foliage of blueberry, apple, and other fruit trees.
tree fruitinsect pestcaterpillar