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Manage bagworms now so they don’t harm trees

Thanks to the University of Maryland/Maryland Grows this informative article about how to manage bagworms.


“Why are the pinecones on my tree moving?” a client asks.
“Because those aren’t pinecones, they’re bagworms,” I reply.  

Dangling from evergreens like teardrop-shaped Christmas tree ornaments, bagworms cause many a homeowner to scratch their head in wonder. Pinecones that dance?

Manage bagworms now
Bagworms dangle from a juniper branch.
Image Credit: Erik Rebek, Bugwood

But the tell-tale thinning of trees that can follow is no laughing matter. Covered with bits of needles and leaves, the bags that give bagworms their name serve as protection for the caterpillars inside. Bagworm caterpillars are the juvenile form of a moth.  

That sounds innocent enough, but like al...

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