Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Apoidea (clade Anthophila) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae (Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives)
Tribe Osmiini (Mason bees and relatives)
Genus Osmia (Mason Bees)
No Taxon (Subgenus Cephalosmia)
Species montana (Osmia montana)
Explanation of Names
Osmia montana Cresson, 1864
Identification
"The smooth, shining, and concave lower face (including clypeus) and nearly black (not green or blue) integument is typical of O. montana." - JSA (ref.)