description Osmia bicornis Overview
Osmia bicornis, commonly called the red mason bee, is an extant species native to Europe. It’s a solitary bee known for its efficient pollination of fruit orchards, particularly apples and pears. The bee constructs nests within pre-existing cavities like hollow stems or artificial nesting blocks. This species is valuable for farmers and gardeners seeking natural orchard support and is increasingly studied by researchers investigating bee behavior and pollinator conservation.
insights Ranking position
Osmia bicornis ranks #64 of 423 in the Bee ranking, behind Red-tailed Bumblebee (Bombus lapidarius), ahead of Xylocopa latipes.
help Osmia bicornis FAQ
How does the red mason bee build its nest?
The red mason bee, or Osmia bicornis, is a solitary bee that builds its nest inside pre-existing cavities, such as hollow plant stems or artificial bee hotels. The female seals each brood cell using mud, which is how it earned the 'mason' part of its name.
Are red mason bees good pollinators for fruit trees?
Yes, red mason bees are exceptionally efficient pollinators of spring-flowering fruit trees like apples and pears. Because they carry pollen dry on their abdomen rather than in wet pollen baskets, they pollinate nearly all the flowers they visit.
Where is the Osmia bicornis bee native to?
Osmia bicornis is native to Europe and is one of the most common solitary bee species found in British and European gardens. They thrive in various habitats including urban parks, orchards, and woodland edges.
How can I attract Osmia bicornis to my garden?
To attract Osmia bicornis, you can install a bee hotel with hollow tubes made of bamboo or cardboard, and provide a nearby source of wet mud. They also heavily benefit from having early-blooming flowers available in your garden during their active spring season.
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