We have bag worms in our arborvitae bushes (20′ tall). I have picked all I can reach. Not a lot of visible damage but they will only get worse. Its May 11. What should be my plan at this point? Thanks Much.
If you review our BAGWORM CONTROL article, you’ll learn we have several concentrates which can be employed. Given the problem is limited to a non fruit or vegetable producing tree, I suggest you get the BIFEN and SPREADER STICKER. Combine the two and start spraying once a month for the next 3 months. This should knock them out for good.
Bagworm Control: https://bugspray.com/article/bagworm.html
Spreader Sticker: https://www.bugspraycart.com/insecticide/additive/spreader-sticker
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