Black and Yellow Mud Dauber
Sceliphron caementarium
insectView on iNaturalist
Large blue-black wasp with red abdomen and mud-building behavior. Hunts spiders; creates mud nests in gardens; non-aggressive solitary wasp.
Plants that support Black and Yellow Mud Dauber
1 plants
American Cow-parsnip
Heracleum maximum
perennial herb
Adult nectar visitor; active Jun-Sep in California
Bay Area native