Apple Trees

Pest or Disease Identification

Anonymous added on August 11, 2015 | Answered

Very thick, profuse cobwebbing on branches of apple tree and pear tree. Starts at tip of branch and covers 12-15 inches of branch. Looks like Halloween decoration cobwebs--more than just little spider webs. Is it a disease or pest? We cut off the "affected" portions of branches, but more branches appear to become engulfed in this series of web-like material. What is it and how do we treat?

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Certified GKH Gardening Expert
Answered on August 12, 2015

My best guess is that it is fall webworms. For more information on fall webworms, please visit the following link:

Happy gardening!

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