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Family Andrenidae - Miner, Fairy, Allied Panurgine, and Oxaeine Bees

Bee - Andrena - female Bee of some kind  - Andrena - female Unidentified Bee - Andrena hirticincta - female Andrena - Andrena clarkella - female unknown bee - Andrena Mining Bee- Andrena Male? - Andrena dunningi - male Andrena - Andrena robertsonii - male Miner Bee - Andrena carlini - female
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 Andrenidae (Miner, Fairy, Allied Panurgine, and Oxaeine Bees)
Other Common Names
Mining Bee, Andrenid Bee, Solitary Bee, Burrowing Bee, Ground-nesting Bee
Explanation of Names
Andrenidae Latreille 1802
Numbers
3 subfamilies, with >1,200 spp. in 11 genera in our area (Andrena and Perdita encompass 83% of our fauna) and almost 3,000 spp. in 45 genera worldwide(1)
Overview of our fauna (* –taxa not yet in the guide)
Family Andrenidae
Subfamily Panurginae
Size
10-20 mm
Range
worldwide
Remarks
Many small (<20 mm), solitary, ground-nesting bees observed in areas of sandy soil are members of this family. They nest in a burrow in areas of sparse vegetation, old meadows, dry road beds, sandy paths. The nests may be built in close proximity of one another. Many species are foraging in Mar‒Apr. The female digs a hole 2‒3" deep leaving a pile on the surface. She then digs side tunnels (~8 per burrow) each ending in a chamber. The female provisions each chamber with a ball of pollen and nectar, lays an egg on the ball, and seals the chamber. The emerging larva consumes the ball.