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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea (clade Anthophila) - Bees » Leafcutter, Mason, and Resin Bees, and allies (Megachilidae) » Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives (Megachilinae) » Mason bees and relatives (Osmiini) » Mason Bees (Osmia) » Subgenus Cephalosmia (Osmia Subgenus Cephalosmia)

Subgenus Cephalosmia

Bee - Osmia - female Small, fuzzy black bee on encilia - Osmia montana Unknown black bee from California - Osmia montana Unknown black bee from California - Osmia montana Large dark bee - Osmia montana Bee on Knapweed 1 - Osmia Osmia? - Osmia montana - female Osmia montana maybe? - Osmia
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)
Genus Osmia (Mason Bees)
No Taxon Subgenus Cephalosmia
Numbers
5 spp., all in our area(1)
Range
across NA, all spp. in the west, with one (O. marginipennis) ranging far north and northeast(1)
Print References
key to species (2)
Works Cited
1.Ascher J.S., Pickering J. (2017) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila)
2.The systematics and biology of the genus Osmia, subgenera Osmia, Chalcosmia and Cephalosmia
R. W. Rust. 1974. Wasmann Journal of Biology 32(1):1-93.
Contributed by Ted Kropiewnicki on 17 March, 2008 - 9:45pm
Additional contributions by v belov, Edward Ruden
Last updated 15 February, 2022 - 6:58pm

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