The bagworm is a caterpillar distinguishable by the “bags” they create around themselves out of silk and bits of leaves and bark. The caterpillar can be brown, tan or speckled and the “bag” can be 1-2 inches long. It can attack many trees, but prefers conifers. Bagworms most often attack the new buds on conifers causing branch dieback. On hardwood trees, the larvae tend to feed on the top of the leaf, skeletonizing it. In either case, the clearest evidence of bagworm infestation will be the presence of the bagworm and their distinctive bags.
Host Trees for Bagworm
Juniper, Arborvitae, Cedars, Pine, Hemlock, Spruce, Locust, Maple, Sycamore, Willow, Linden, Poplar.
Treatments for Bagworm
Learn More About Common Tree Pests & Treatments
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