How do I prevent wasp infestation in my greenhouse?

I have a stand alone greenhouse with automatic vents. Every spring and summer it becomes infested with aggressive paper wasps. They tend to build their nests behind and under the planting beds so it is nearly impossible to see them until they are large. Any suggestions on how to deter them this year?

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1 Comment To "How do I prevent wasp infestation in my greenhouse?"

#1 Comment By Nikki On 03/26/2012 @ 7:11 am

This article may offer some suggestions to help: https://www.gardeningknowhow.com/plant-problems/pests/insects/kill-wasps.htm ^[1]

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