Worms killing my evergreen - help!

jennie_boyer(7)June 30, 2007


I have a row of evergreens that are generally healthy. However, I have one tree that has somehow been overtaken by worms that are just now hatching. I didn't notice anything wrong with the tree until today, when it appeared to be brown and "moving". I've looked closely, and hundreds of little worms are hatching. I've attached a picture to help identify.

Questions - how do I get rid of these worms, how do I keep them from spreading, and will my tree recover?



Image link:

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rsmallen(z6 PA)

Looks like Bagworms to me. On arborvitae or cedars? Treat them fast...it's already on the late side...or they will do a LOT of irreparable damage to your shrubbery!

Here's some links:


This article has a GREAT picture for you to compare as well as recommended insecticides. I think it's too late for the bacterial treatment:


    Bookmark   June 30, 2007 at 10:54PM
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Hi Robin,

Thanks for the quick follow up. They're on arborvitaes. I really didn't notice anything until yesterday, but will get on it today. Bag worms was my suspicion, but do they have one worm per bag?


    Bookmark   July 1, 2007 at 7:39AM
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botanybob(Northern Idaho)

One worm per bag and one bag per worm.

    Bookmark   July 3, 2007 at 4:03PM
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