Knowledgebase
Maybe a bug #934015
Asked June 03, 2026, 11:13 AM EDT
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