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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.
Although L. corniculatus is the primary nectar source for Osmia parietina, it has been recorded visiting flowers of other plant species such as: Ajuga reptans, Hippocrepis comosa, Rubus fruticosus, Sedum reflexum, Trifolium pratense and Veronica chamaedrys.
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.
A leaf-cutter bee showing abdominal scopa. Megachilidae is a cosmopolitan family of mostly solitary bees.Characteristic traits of this family are the restriction of their pollen-carrying structure (called a scopa) to the ventral surface of the abdomen (rather than mostly or exclusively on the hind legs as in other bee families), and their typically elongated labrum. [1]
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 ]
They are considered mason bees, which is a common descriptor of bees in several families, including Megachilidae. Within the genus Megachile , frequently also referred to as leafcutter bees , M. campanulae is a member of the subgenus Chelostomoides , which do not construct nests from cut leaves, but rather from plant resins and other materials.
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.