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For Insects, Spiders & Their Kin
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Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Megachile inermis - Unarmed Leafcutter

Leaf Cutter Bee (Megachile) - Megachile inermis - female Leafcutter? - Megachile inermis - female Bee needing ID - Megachile inermis Unarmed Leaf-cutter Bee - Megachile inermis - female Unknown Bee - Megachile inermis Which Megachile? - Megachile inermis Megachilid on thistle - Megachile inermis Eucera sp ? - Megachile inermis
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 (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae
Tribe Megachilini
Genus Megachile (Leafcutter, Resin, and Mortar Bees)
No Taxon (Subgenus Megachile)
Species inermis (Unarmed Leafcutter)
Explanation of Names
Author of species is Provancher, 1888.
Female 15-20 mm. Male 11-15 mm.
Very large head and long vertex.
British Columbia to Nova Scotia, south to New Mexico, Texas and Georgia.
June to September
The Hosts section on its Discover Life species page lists known associations based on specimen records and images.
Internet References