Answer: The symptoms you describe are not necessarily from insects such as codling moth, but could be an infection called Black Rot. The corky flesh you describe might be a result of boron deficiency. For a positive identification of the problems, it would be best to take a sample of the fruit (plus any foliar problems) to your local Extension office.
Contact University of California, 2604 Ventura Ave. Rm. 100, Santa Rosa, 95403. Phone (707) 527-2621.
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