Is there a systemic pest control that will kill bagworms? I have apparently missed the May hatching, but have picked off quite a few. They are still smallish and green. Is there anything I can do now? Is there anything I can do to protect the part of the tree that does not yet have bagworms?
Certified GKH Gardening Expert
Here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/pests/treatment-bagworms.htm