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Mason bee is a name now commonly used for species of bees in the genus Osmia, of the family Megachilidae. Mason bees are named for their habit of using mud or other "masonry" products in constructing their nests , which are made in naturally occurring gaps such as between cracks in stones or other small dark cavities.
Red mason bees are excellent pollinators, particularly of apple trees. [3] For effective use of these bees as pollinators of winter rape plantations in Poland, they should be located at least 300 m from entomophilous plants, which distract the bees from pollinating the plants of interest.
Osmia caerulescens, the blue mason bee, is a species of solitary bee from the family Megachilidae. [1] It has a Holarctic distribution extending into the Indomalayan region, although its presence in the Nearctic may be due to human-assisted introduction.
Osmia bucephala Cresson, 1864 (bufflehead mason bee) Osmia caerulescens (Linnaeus, 1758) Osmia cahuilla Cooper, 1993; Osmia calaminthae (Melanosmia) calaminthae Rightmyer, Ascher & Griswold (calamintha osmia) Osmia calcarata White, 1952; Osmia californica Cresson, 1864; Osmia calla Cockerell, 1897; Osmia capicola Friese, 1906; Osmia cara ...
Osmia lignaria, commonly known as the orchard mason bee or blue orchard bee, [1] is a megachilid bee that makes nests in natural holes and reeds, creating individual cells for its brood that are separated by mud dividers.
Osmia bucephala, the bufflehead mason bee, is a species of bee in the family Megachilidae. It is found in North America. It is found in North America. [ 1 ] [ 2 ] [ 3 ]
Osmia atrocyanea, the large indigo mason bee, is a species of mason bee native to North America. It was scientifically described in 1897 by Cockerell. It was scientifically described in 1897 by Cockerell.
Females of this species are distinguished from every North American mason bee except Osmia gonzalezi, by the many, prominent screw shaped hair strands on the clypeus, frons, and the vertex. Males are known by the dull, strongly granulose integument of the frons between the very close punctures.