• Animals (Kingdom Animalia)

• Arthropods (Phylum Arthropoda)

• Hexapods (Subphylum Hexapoda)

• Insects (Class Insecta)

• Winged and Once-winged Insects (Subclass Pterygota)

• Ants, Bees, Wasps, and Sawflies (Order Hymenoptera)

• Narrow-waisted Wasps, Ants, and Bees (Suborder Apocrita)

• Ants, Bees, and Stinging Wasps (Infraorder Aculeata)

• Bees and Apoid Wasps (Superfamily Apoidea)

• Bees (Epifamily Anthophila)

• ​Miner, Fairy, Allied Panurgine, and Oxaeine Bees (Family Andrenidae)

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Andrenid bees are primarily solitary insects that nest in burrows excavated in the ground, often in sandy or well-drained soils. Most species are small to medium-sized and are covered with dense hairs that aid in collecting and transporting pollen. Females construct underground nests consisting of multiple chambers, each provisioned with pollen and nectar for a developing larva. Many andrenids are important pollinators of wildflowers, shrubs, and trees, and some species exhibit oligolecty, specializing in collecting pollen from only a limited range of plant species.