I would like some info on this "bug." My weeping cherry was eaten by this and my blueberries. I sprayed them with Monterey insect spray. I would like to know where these came from and how to prevent them in the future. We have had blueberries for 40 years and never had a problem with any bug.

It sounds like winter moth. Weeping cherry trees were hit hard this year. Winter moths feed on most deciduous trees and any shrub that is fruit bearing. This insect was introduced from Canada and has migrated down the coast. It has been in the Boston area for more than 13 years.

Feeding can be a serious problem for trees. Repeated defoliation can cause decline and eventual death. It is too late to treat your plants this year. Treatments should be done early next spring at bud break. Two treatments are required.

The affected plants this year should be fertilized.

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