Black and Yellow Mud Dauber
Scientific Name: Sceliphron caementarium
Order & Family: Hymenoptera, Sphecidae
Size: 24 to 28 mm (0.9 to 1.1 inches)
Natural Habitat
Found in open areas with mud source, often near human dwellings, under eaves, or in attics.
Diet & Feeding
Adults eat nectar; they hunt and paralyze spiders to provide food for their larvae.
Behavior Patterns
Solitary wasps that build tube-like mud nests; they are not aggressive and rarely sting unless handled roughly.
Risks & Benefits
Beneficial to the ecosystem for spider population control; minimal risk to humans as they are non-aggressive.
Identified on: 6/18/2026