Sceliphron

Sceliphron, also known as black-and-yellow mud dauber wasps or black mud-dauber wasps, is a genus of Hymenoptera of the Sphecidae family of wasps. They are solitary mud daubers and build nests made of mud.

As is the case with many insect genera, there are many tropical species. Some common temperate species include S. caementarium and S. curvatum.