Mason Bees (Osmia spp)


  • Dark blue, metallic body
  • Round thorax and abdomen
  • Hair on underside of abdomen
  • Medium to large body size: 9-11 mm

Mason bees are solitary bees that nest in cavities such as hollow twigs, logs, reeds, or manmade holes. Mason bees are active and foraging in the spring and early summer. They are known to be effective pollinators of tree fruit crops, including apples.

Mason Bee
Mason Bee Mason Bee

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