Answer: Based on your description I suspect there are several things happening. The holes are probably caused by a bird rather than an insect, although the bird is probably drilling in pursuit if an insect. The fruit is probably being infected by a disease. Crabapples are often afflicted with the same diseases that affect orchard apple trees and often require a routine spray regimen to control them. Unfortunately, the preventive spraying usually needs to be done in winter and early spring so there may not be much you can do this year. You might wish to contact your County Extension (374-8400) for help in actually confirming the type of tree you have and identifying the pest problems. They should also be able to give you the most up to date control measures as well as the spray timing schedule for crabapples in your area. Good luck with your tree!
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