Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Calendar
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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Tribe Osmiini - Mason bees and relatives

Representative Images

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