In this The Hamilton Spector article, Chris Deathe from Davey's Hamilton, ON office discusses his experience with bagworms and shares tips for homeowners.

Posted: May 02, 2024

If you spot something in a tree or shrub that looks like an oddly-shaped pine cone, take a closer look.

It could be a bagworm sac ready to release an army of creepy, maggot-like larvae capable of stripping evergreen needles and tree leaves.

These adaptive insects spin cocoons suspended from tree branches, using material from the host tree to create a camouflaged, pine cone appearance.

Bagworm larvae can attack both coniferous and deciduous trees. Common evergreen hosts include hemlock, cedar, juniper, pine and spruce. The young larvae are black and shiny on top with a dull amber underside. As adults, the males develop into flying moths, while the wingless females remain hidden inside the pouch.

To read about Chris' tips, click here.

For more information, contact the Hamilton Davey office.

The Davey Tree Expert Company provides research-driven tree services, grounds maintenance and environmental consulting for residential, utility, commercial and environmental partners in the U.S. and Canada. Established in 1880 and headquartered in Kent, Ohio, Davey has over 12,000 employees and is the ninth largest employee-owned company in the U.S. This year, Davey celebrates 45 years of employee ownership – Join us and apply today! 

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