How To Kill A Hornet Nest In A Wall. Their nests are usually in a hollow tree or wall void 6 feet (1.8 m) off the ground.3 x research source. My friend moved into a house & was landscaping when she got attacked by hornets that came out of a hole in the ground.
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Paper wasps have striped bodies. Here's how to move a nest safely and without chemicals. And kill it with water just doesn't sound right.
Hornets are aggressive, particularly when their nests are disturbed.
A good shot of spray in nest opening will probably kill whole colony and you can remove the next day. If you're trying to kill wasps or hornets, make sure to buy an insecticide that is specially formulated. Crumple the bag a little bit, to give it the appearance of a hornets nest. I never thought of doing this.
