The Chalybion californicum is an impressive and beautiful wasp, which can be identified by its blue and black sheen, a narrow petiole (“waist” between thorax and abdomen) and its length of 10 to 23 millimeters. Its range extends from northern Mexico to Southern Canada, although it has been introduced in Hawaii and Bermuda as well.

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 ]

Are you curious about a blue wasp you encounter in your garden? Here are 15 common blue and black-blue wasps you might see.

Apr 16, 2024 · The Blue Winged Wasp, with its distinctive appearance, plays a pivotal role in natural pest control, particularly against harmful beetles. Native to the United States, these solitary wasps are not only beneficial for gardens but are also non-aggressive towards humans.

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.

Nov 22, 2023 · A large, active, blue-black wasp with irridescent blue wings. Frequents flowers for nectar and buildings for nest sites. Compare "Steel-Blue Cricket-hunter Wasp" Chlorion aerarium , which preys on crickets.

May 25, 2024 · One of two metallic blue genera in our area. Chalybion is separated from the superficially similar Chlorion by the following traits: Antennae inserted higher, at or slightly above the halfway point of the eye. Our spp. are defined based on features of metapleuron and metanotum (interactive key).

Nov 17, 2022 · The blue mud dauber or common blue mud dauber is an impressive solitary wasp endemic to the Nearctic realm. In 1867, it was first described by Henri Louis Frédéric de Saussure. It usually is calm and not aggressive towards humans.

Jun 27, 2019 · Blue mud daubers are a species of wasp that hunts black widow spiders. Learn more about their unique behaviors and whether or not they’re dangerous to you. (855) 948-5816

The blue mud dauber (Chalybion californicum) is a metallic blue species of mud dauber wasp that is the primary predator of black widow spiders. Females build their own nests, but occasionally refurbish nests abandoned by other mud dauber wasps, particularly Sceliphron.