How do mason bees primarily carry pollen?

Answer

On the underside of their abdomen, in a structure known as a scopa

Mason bees and their relatives carry pollen on the underside of the abdomen using a structure called a scopa, distinguishing them from honey bees or bumble bees which carry pollen on their legs.

How do mason bees primarily carry pollen?
insectbeeclassificationfamilyMason Bee