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  • Answered by
    Nikki on
    June 24, 2011
    Certified Expert
    A.

    This article should help: https://www.gardeningknowhow.com/plant-problems/pests/insects/treatment-bagworms.htm

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  • Answered by
    Susan75023 on
    July 19, 2011
    A.

    Sounds like spider mites. They are very small and you don't mention "seeing" an insect. I don't use insecticides so would continue to wash them off but you can take a sample branch to a good nursery and ask for identification. Spider mites are common when the air is dry and are very common on houseplants. The web is helpful in determining what they are and a close examination will help you see them. Insectical soap may help and is sprayed on the plants.

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  • Answered by
    Cathy on
    July 21, 2011
    A.

    Yes, the bagworms will return, but you can control them both on your new tree and others by using BT (Bacillus thuringiensis) an organic insecticide that is specific for worms. Please see this article for more help:

    https://www.gardeningknowhow.com/plant-problems/pests/insects/treatment-bagworms.htm

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  • Answered by
    Susan75023 on
    July 24, 2011
    A.

    It is iffy. But you have a chance. It is best, of course, to catch them very early in the process and your chances are better of evergreen survival. I don't use chemicals because birds eating them will be affected. I break open their webs so birds and wasps can get to them for lunch. But your case is extreme. Here is an organic solution. Not sure how it will work with such heavy infestation.

    Webworms, tent caterpillars, loopers, green worms, sod webworms, army worms, leaf rollers and other caterpillars can be killed effectively with a spray of orange oil drench mix, spinosad products or any of the Bt (Bacillus thuringiensis) products. Add dd 1-2 ounces of molasses per gallon of spray. Even better is to prevent them from becoming a problem in the first place by releasing trichogramma wasps at leaf emergence. The first step is to tear the webs with a pole so the native wasps can eat them.

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  • Answered by
    Heather on
    August 9, 2011
    Certified Expert
    A.

    This would be an effective way to destroy the bagworms.

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  • Answered by
    Nikki on
    August 25, 2011
    Certified Expert
    A.

    You can sometimes gently scrape the bark and if you see green underneath, it is still alive. If it's brittle and brown, then it's dead. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/trees/tgen/what-does-a-dying-tree-look-like-signs-that-a-tree-is-dying.htm

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