Knowledgebase

Maybe a bug #934015

Asked June 03, 2026, 11:13 AM EDT

Found a few of these on the under side of dogwood tree

Baltimore County Maryland

Expert Response

Hi, 

These look like they could be the egg sacs of Cottony Maple Scale. Since it seems like there are not that many, we would recommend that you just pull them off. Monitor the leaves and bark for any other signs and also monitor your tree for watering needs since we are in a prolonged drought. 

Emily

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