"We have a large blue spruce tree in our front yard that was decimated by bagworms. I was told by the County Ext. Office that it would most likely not recover enough to warrant keeping the tree even after spraying. He recommended spraying with a "Spinosad" product to minimize the damage to beneficial..."
An insecticide and fungicide unique to roses, shrubs, flowers, fruits, and vegetables and may be used as a dust or a wettable spray on home lawns and gardens.