Oriental Fruit Moth Oriental Fruit Moth Click Open to view a picture. Close the current picture before viewing another. Oriental fruit moth fruit injury Adults on sticky trap Oriental fruit moth, Grapholita molesta , is a pest of most stone and pome fruits. In pome fruits its appearance and injury is similar to that of the codling moth and lesser appleworm.
Eggs are single, flat, whitish ovals on twigs or the undersides of leaves.
Larvae are distinguished from codling moth by the presence of a black anal comb on the top of the last body segment. Oriental fruit moth have three or four to five generations per year in Pennsylvania, with the first and last two generation most numerous. They overwinter as larvae in silken cocoons on the tree or on the ground, pupate in April, and begin to emerge as adults during late April, shortly before peach trees bloom. May. The succeeding overlapping generations extend into September and October. The earliest indication of injury is a dying back of the new growth of twigs in spring.