Plum curculio is a weevil native to the eastern US that is considered to be one of the major pests of fruit trees.  It attacks cherry, plum, apricot, apple, peach, wild plum, and ornamental fruit trees.  The adult weevil feeds on the developing fruit in spring, and chews crescent-shaped notches in which she lays her eggs.  The larvae then burrow into the fruit, and the heavy feeding causes fruit drop. Destruction can be severe, and the pest is difficult to control, even with a good IPM monitoring program. 

In 1999-2000, a survey of Utah found plum curculio in home yard fruit trees, particularly on cherry, in the Brigham City area.  This is the first occurrence of this pest east of the Rocky Mountains.  As a result, several western states will not accept any fruit exported from Box Elder county.  Eradication does appear to be an   Read more about how you can help control this pest and prevent its spread.