Family

Megachilidae (Mason, leafcutter, carder, and resin bees)

Osmia lignaria propinqua. Photo: (c) Steve Wells, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Megachilidae is a cosmopolitan family of mostly solitary bees whose pollen-carrying structure (called a scopa) is restricted to the ventral surface of the abdomen (rather than mostly or exclusively on the hind legs as in other bee families). Megachilid genera are most commonly known as mason bees and leafcutter bees, reflecting the materials from which they build their nest cells (soil or leaves, respectively); a few collect plant or animal hairs and fibers, and are called…

— Wikipedia

Subtaxa

Subfamily: Megachilinae (Megachiline leafcutter bees)

Where in Humboldt

Discussion

PLEASE SHARE YOUR THOUGHTS ABOUT MEGACHILIDAE, THE MASON, LEAFCUTTER, CARDER, AND RESIN BEES