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Blue Mud Wasp (Chalybion californium). Photo by Johnny N. Dell, Bugwood.org. 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.
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.
17 lis 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.
One of the more common species in the south western United States, and particularly in North Texas is the metallic blue mud dauber (Chalybion californicum). This dark-colored wasp shines iridescent blue in the light. However, they don't build any nests at all.
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.
22 lis 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.
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. It is not normally aggressive.
