Chalybion californicum is the name of the metallic blue black wasp. Both male and female feed on nectar and they are easily spotted on...
If you are inclined to be a botanical splitter, then the plant I’m talking about is Condalia warnockii var. kearneyana, or so say Benson...
I neglected to mention that milkweeds are no longer in their own family Asclepiadaceae, but have now been included in the dogbane family Apocynaceae....