What’s the best product to kill bag worms on an Alberta Spruce? We have been picking them off and putting in a plastic bag and disposing of them as well as spraying a liquid insecticide; however, we can’t seem to get rid of them. I heard that Sevin is good? Can you help? Thanks!
If you read through our BAGWORM CONTROL article, you’ll see we have three concentrates we recommend. Overall the best choice is the BIFEN IT and it should be used when treating plants other than those found in a vegetable garden. Your Spruce trees would be such a plant; go with the Bifen for the fastest and longest lasting residual.
Be sure to add some SPREADER STICKER to the tank mix and do your applications either early in the morning or close to dark. This will avoid hurting the trees since we’re in the middle of the summer and in many parts of the country the temps are extremely high.
Here are direct links to the information and products listed above:
Bagworm Control: http://www.bugspray.com/article/bagworm.html
Bifen IT: http://www.bugspray.com/catalog/products/bifenit.html
Spreader Sticker: http://www.bugspray.com/catalog/products/spreadersticker.html
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