If you notice an old nest, you might be wondering whether or not wasps reuse their previous spots. Luckily, most wasps will not reuse a nest after it has been abandoned, and it's safe to remove it ...

The rest of the wasps die over the winter. In the spring, the females emerge from hiding and begin building a new nest instead of reusing the old and empty one from the previous year.

And a wasp's sense of "smell" is a powerful thing. The insects use carbon dioxide to locate mammals that invade their nests. “Wasps such as yellowjackets often have their nests raided by ...