large black mud dauber, approx 1.25 in long.
One nectaring on Flat-topped Buckwneat (Eriogonum fasciculatum) near Flint Wash Bridge.
Grass Carrier Wasp. Working nectar on Coffeeberry flowers (Frangula californica) in backyard with Great Golden Digger wasp. Preys on crickets as food for it's larva.
Taken on cellphone so not best quality.
The Sphecidae (Latreille, 1802) are a cosmopolitan family of wasps that include digger wasps, mud daubers, and other familiar types that all fall under the category of thread-waisted wasps. Both of the traditional definitions of the Sphecidae (the conservative one, where all the sphecoid wasps other than ampulicids and heterogynaids were in a single large family, and the more refined one, where the seven large sphecid subfamilies were each elevated to family rank) have recently been...