Chalybion is a genus of blue mud-slathering wasps in the family Sphecidae. Chalybion species nest in various natural and artificial cavities such as holes in wood, walls, plant stems, etc., where they usually provide their stem cells with paralyzed spiders. They also reuse old nests.
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Sphecidae
Subfamily: Sceliphrinae
Genus: Chalybion
