Peach leaf miner, mainly by the lar

Peach leaf miner, mainly by the larvae in the plant leaf organizations, forming a winding worm path, and the manure filled in which, the leaf epidermis is not broken, can be seen from the leaf surface, the leaves damaged finally dry, fall off. When the Larva is old and mature, it crawls out by biting a small hole on the back of the leaf at the end of the Worm Path and pupae in a thin white cocoon on the back of the leaf, the bark of the trunk and the grass. The first generation occurs in late April to early May, laying eggs in leaf epidermis at night. After that, one generation occurs every month, and the last generation occurs in early November. Winter-type adults overwinter in rocks, leaves, Bark cracks, weeds, and a few PUPAE overwinter in the cracks in the branches, the back of the victim leaves and weeds under the tree.