Of the more than 4,000 known species of wasps in California, two are known as mud daubers: Sceliphron caementarium (black-and ...

Of the over 4,000 known species of wasps in California, two are known as mud daubers: Sceliphron caementarium (black and yellow mud dauber) and Chalybion californicum (blue mud dauber). Mud daubers ...

A common expression foreshadowing the topic of this discussion might be, “What goes around, comes around." For instance, if spiders are the worst nightmares of flies, then, to go around, wasps must ...

The other day, while helping a friend work on his roof, I was amazed to find what almost appeared to be concrete filling the space around the metal chimney for his wood-burning stove. Several inches ...

If you don’t like spiders, you should love the blue mud-dauber. Its iridescent blue-black body and deep blue wings give it a tough-guy look but the mud daubers are not known to protect their nests and ...

I recently found and killed a yellow-and-black mud dauber wasp that was very docile because I didn't realize mud daubers are non-aggressive. When left alone, these wasps only use their stingers to ...

Q: I have mud daubers every year around my house. What can you tell me about them, and are they dangerous? A: Mud daubers are medium-size wasps with a very narrow waist. These wasps are usually dark ...