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Genus Lithurgopsis - Northern Cactus Woodborers

Bee - Lithurgopsis apicalis Hymenoptera-Megachile sp? - Lithurgopsis apicalis Mason Bee With Green Neck & Long Tongue - Lithurgopsis apicalis - male Mason Bee - CAT EARS - Lithurgopsis - female Diadasia? - Lithurgopsis Lithurgopsis echinocacti Cactus bee - Lithurgopsis gibbosa? - Lithurgopsis littoralis - male Megachilid - Lithurgopsis - 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 (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Lithurginae (Woodborer Bees)
Genus Lithurgopsis (Northern Cactus Woodborers)
Numbers
6 spp. in our area, 9 total(1)
Identification
Female clypeus

is extremely bulbous with a raised ridge at the top. This is a good example.

The tibia

has lots of dull spines and bumps on the outer surface as shown here . More pronounced in females. (2)
Habitat
North and South America