Mud Dauber Wasp (nest)

Often found building nests in sheltered locations such as under eaves, in attics, sheds, garages, or other man-made structures, as well as natural crevices.

The adult wasps feed on nectar and plant sap. The larvae, however, are carnivorous, feeding on spiders that the female wasp paralyzes and places in the nest cells.

Female mud daubers construct characteristic mud nests, often tubular or organ-pipe shaped, or globular in appearance. Each cell is provisioned with paralyzed spiders before an egg is laid and the cell is sealed. They are generally solitary and not aggressive unless directly provoked or their nest is disturbed.

Potential risks include a painful sting if provoked, though they are generally docile. Benefits include biological pest control, as they prey on spiders, which can help manage spider populations around homes and gardens.