Do harlequin bugs survive harsh winters?

This is the first time in 39 years of gardening that I have had an infestation. I am in Boulder, Colorado. I’ve picked hundreds (maybe more than a thousand) off and tried diatomaceous earth, but they keep coming back. I added large red leaf mustard and red kale this year. Is it the crops or bad luck? Does anyone know if they will not survive at particular low temperatures?

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1 Comment To "Do harlequin bugs survive harsh winters?"

#1 Comment By Downtoearthdigs On 09/27/2015 @ 3:12 pm

They likely loved the Leafy Mustard you grew!

Yes, these bugs can survive winter.

Here is an excellent article to help you with the issue.

https://www.gardeningknowhow.com/plant-problems/pests/insects/get-rid-of-harlequin-bugs.htm ^[1]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/insects/get-rid-of-harlequin-bugs.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/get-rid-of-harlequin-bugs.htm

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