Help with bee, wasp or MONSTER Hornet!!

DFX 340 Duster said
X2

My Duster is a New Mexico car. When I got it I was crawling inside and under it to evaluate the condition of the car. I found empty wasp nests (mud type) in the frame rails, the fresh air vents, and behind the kick panels. I sometimes wonder how the owner got rid of them before he sold the car or if he left it up to the buyer.
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The mud kind are Dirt Dobbers. They're non-hostile, and they just lay eggs in the mud nests. Once the young hatch and eat the spiders there, they split too. So that's why they were empty. They don't guard their nests like red wasps do. And red-wasps /love/ a good fender to hide under.