Any of numerous solitary bees associated with the family Megachilidae, found global, that build clay nests.
some of the bees of this genus Osmia, that have the practice of making compartments of mud within their nests.
anybody of various species of individual bees of the genus Osmia. They construct interested nests of hardened mud and sand.
An aculeate hymenopterous pest of one of the genera Anthophora, Osmia, Chalicodoma, and some other individuals, which build their particular nests with grains of sand agglutinated together in the shape of a viscid saliva, and fix all of them privately of wall space, etc., or avail on their own of some hole for the function. See cut under Anthophora.
some of many individual bees that build nests of hardened mud and sand