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Diagnosing Apple Tree Leaves with Holes or Webbing


Caterpillars and worms are often the reason your apple tree leaves may have holes and webbing start appearing. Learn the most common species to expect in our area and how to manage them. 


This website was supported by the U.S. Department of Agriculture’s (USDA) Agricultural Marketing Service through grant 14-SCBGP-ND-0038.

Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the USDA.