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Tribe Osmiini - Mason bees and relatives

Megachilidae ? - Ashmeadiella - female Bee - Chelostoma philadelphi Small Megachilid - Heriades - female Hoplitis ? - Hoplitis spoliata - male Osmia integra Osmia? - Osmia montana Bee - Osmia lignaria - female Mason Bee - Osmia taurus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
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)
Explanation of Names
Osmiini Newman 1834
Numbers
>300 spp. in 8 genera in our area, ~1100 spp. in 17 genera worldwide(1)
Identification
have conspicuous arolia (unlike Megachile, except some rare Asian species)
Range
All continents except South America, Australia and Antarctica [Global Map for genera occurring in NA](1)
Internet References