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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) » Osmia montana
Photo#137128
bee - Osmia montana - female
Copyright © 2007 Matthew Priebe

bee - Osmia montana - Female
Rocky Mountain National Park, Larimer County, Colorado, USA
July 18, 2007
Size: 1/2 inch long
This bee had huge mandibles compared to its head size. It had white hair on the underside of its abdomen. Habitat was sagebrush among montane forest.

Images of this individual: tag all
bee - Osmia montana - female bee - Osmia montana - female
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Contributed by Matthew Priebe on 16 August, 2007 - 4:17pm
Last updated 1 January, 2008 - 4:08pm

Osmia in a broad sense - female (Megachilidae)
I'm confident Dr Ascher will soon provide a narrower identification. White hairs on the underside of abdomen are the ventral brush, the pollen-collecting device of Megachilid bees.
Mandibles of this one species are especially well developped. IT must use them to dig in an especially hard substrate, as a raw material for its mortar.
… Richard Vernier, 16 August, 2007 - 7:37pm login or register to post comments

 
I love the jaws on her. It wa
I love the jaws on her. It was so different from the wild bees I normally see.
… Matthew Priebe, 16 August, 2007 - 7:41pm login or register to post comments

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