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 ...

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

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 take the darting and buzzing of flying insects in my garden almost for granted. I have a general idea of what is out there and what they are doing, and I am happy they are part of the summer ...