Already have Bifen (from you) when I had bag worms. What amount of Bifen mix is appropriate with 3 gallons of water/spray?
Go with 1 oz per gallon of water. And definitely add some SPREADER STICKER to insure good coverage of the spray.
Bifen IT: https://bugspray.com/catalog/insecticide/liquid/bifen
Spreader Sticker: https://bugspray.com/catalog/insecticide/additive/spreader-sticker
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