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Chalybion californicum, the common blue mud dauber of North America, is a metallic blue species of mud dauber wasp first described by Henri Louis Frédéric de Saussure in 1867. It is not normally aggressive towards humans. [2] It is similar in shape and colour to the steel-blue cricket hunter (Chlorion aerarium).
The blue mud dauber species Chalybion californicum, another sphecid, builds mud nests, but occasionally refurbishes the abandoned nests of other species; it preys primarily on spiders. [2] The two species commonly occupy the same barns, porches, or other nest sites.
Chalybion is a genus of blue mud dauber wasps in the family Sphecidae. Chalybion species nest in a wide range of natural and artificial cavities such as holes in wood, walls, plant stems, etc., where they typically provision their brood cells with paralyzed spiders. They also reuse old nests of other wasps like Trypoxylon and Sceliphron. [1]
Blue mud daubers are noted predators of black widow and brown widow spiders. As many as 15 to 20 spiders may be packed into each egg chamber of a mud dauber’s nest. Burrow nests.
Chalybion zimmermanni, known generally as the Zimmermann's mud wasp or blue mud dauber wasp, is a species of thread-waisted wasp in the family Sphecidae. [1] [2] [3] [4]
The Sphecidae are a cosmopolitan family of wasps of the suborder Apocrita that includes sand wasps, mud daubers, and other thread-waisted wasps. The name Sphecidae was formerly given to a much larger grouping of wasps. This was found to be paraphyletic, so most of the old subfamilies have been moved to the Crabronidae.
Sceliphron caementarium, also known as the yellow-legged mud-dauber wasp, black-and-yellow mud dauber (within the US), or black-waisted mud-dauber (outside of the US), 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 ...
Some are also described as mud daubers. The group is paraphyletic because bees are believed to have arisen from a subgroup within the family Ammoplanidae , thus Spheciformes does not include all of the descendants of its common ancestor.