1) Arthropod family 2) Family sphecidae 3) Mud daubers 
The biology of the Sphecidae, even under the restricted definition, is still fairly diverse; some sceliphrines even display rudimentary forms of sociality, and some sphecines rear multiple larvae in a single large brood cell. Many nest in pre-existing cavities, or dig simple burrows in the soil, but some species construct free-standing nests of mu...
[n] - mud daubers
Sphecidae The solitary wasps, a family of flying insects of the order Hymenoptera that have a long thin body and delicate wings. Many species can sting and members of this family live in comparative isolation.
family Sphecidae noun mud daubers; some digger wasps