If you need a wasp spray in a hurry and Ortho isn’t sold ... but nothing that couldn’t be washed off with a garden hose. What’s even more important, though, is the thickness of the foam.

Solitary wasps, such as mud daubers and cicada killer wasps, are rarely a problem ... you can simply knock it down and wash away the debris with a garden hose. Social wasps, which are the ...

Those wasps you hate? They’re the best organic pest control around ... offense. “The flower garden is the restaurant, not their home — they don’t defend it,” Ms. Holm said.

This insect is no cause for concern; thus, nothing to worry about for your garden. Whenever possible, it is best to simply leave them alone. A male cicada killer wasp may fly up to you to ...