Bag Worms – Infected Last Year – Picked Off Last Winter- None Seen This Year – Still Spray Trees This Yr?

As stated above I had a few of my dozen blue spruce infected last year. I hand picked them off last winter and do not see any bags this June. Should I still spray for them this year? I’ve lost 2 spruces over 25 years old. Very sad to see them rot away. Thank you… David

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1 Comment To "Bag Worms – Infected Last Year – Picked Off Last Winter- None Seen This Year – Still Spray Trees This Yr?"

#1 Comment By GKH_Susan On 06/11/2021 @ 1:55 pm

This article tells about their life cycle and should help you decide:

https://www.gardeningknowhow.com/plant-problems/pests/insects/treatment-bagworms.htm ^[1]

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

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