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en.wikipedia.org/wiki/Black_and_yellow_mud_dauber

The black and yellow mud dauber, Sceliphron caementarium, is a species of sphecid wasp.There are some 30 other species of Sceliphron that occur throughout the world, though in appearance and habits they are quite similar to S. caementarium.

entnemdept.ufl.edu/creatures/MISC/WASPS/Sceliphron_caementarium.htm

The black and yellow mud dauber, Sceliphron caementarium (Drury), is a common and widely distributed solitary sphecid wasp that hunts spiders and builds characteristic mud nests for their offspring (Figure 1). In each cell of her nest, a female mud dauber lays a single egg which she provisions with up to twenty-five live, paralyzed spiders.

dengarden.com/pest-control/What-are-Mud-Dauber-Wasps-and-Should-You-Get-Rid-of...

Black-and-yellow mud dauber; Metallic-blue mud dauber; Appearance. Large wasps measure about one inch in length with long, narrow waists. They are usually black and yellow or black/dark blue with a metallic sheen and possess clear or dark wings. Do They Sting or Bite? Mud daubers rarely sting humans and mainly use their stinger to paralyze spiders.

www.insectidentification.org/insect-description.asp?identification=Black-and...

The alarming yellow and black coloration on the Black and Yellow Mud Dauber causes many observers to slowly back away. While this wasp is certainly capable of stinging, it is not immediately interested in attacking people like other wasps.

wiki.bugwood.org/HPIPM:Black_and_Yellow_Mud_Dauber

Related Species: The blue mud dauber, Chalybion californicum Drury, is a metallic blue-black wasp of generally similar size and body form as the black and yellow mud dauber. It similarly hunts spiders to provision nest cells of the larvae but does not construct its own mud nest.

en.wikipedia.org/wiki/Mud_dauber

Mud dauber (or "mud wasp" or "dirt dauber") is a name commonly applied to a number of wasps from either the family Sphecidae or Crabronidae that build their nests from mud. Mud daubers belong to different families and are variable in appearance. Most resemble long, slender wasps about 1 inch (25 mm) in length. The name refers to the nests that are made by the female wasps, whic...

bugguide.net/node/view/6610

Species caementarium (Black and Yellow Mud Dauber) Explanation of Names . Sceliphron caementarium (Drury 1773) caementarium = 'mason, builder of walls' Size . 24-28 mm. Identification . Black body with variable amount of yellow markings. Pedicel (waist) about twice as long as the rest of the abdomen.

www.ourbreathingplanet.com/black-and-yellow-mud-dauber

Black and Yellow Mud Dauber Facts Most notably, the admittedly somewhat lengthy term Black and Yellow Mud Dauber aptly serves its purpose. That's because it serves as the common name for a highly specific species of wasp. At present, entomologists recognize a total of 30 related species throughout the world. While differences naturally occur, in many ways all of them have many characteristics ...

www.pestworld.org/pest-guide/stinging-insects/open-pipe-mud-daubers

Mud dauber is a common name for a wasp that constructs its nest of mud. There are many species of wasps referred to as mud daubers, such as organpipe mud daubers, black-and-yellow mud daubers and blue mud daubers. Mud daubers are commonly found throughout the United States.

nature.mdc.mo.gov/discover-nature/field-guide/mud-daubers

Mud daubers place paralyzed spiders in the nest cells as provisions for their young. Stinging the spider subdues the spider and also helps preserve it, so when the wasp larvae hatch, they have fresh meat. Black-and-yellow mud daubers prefer crab spiders and other small, colorful species. Organ pipe mud daubers also provide spiders for their young.