Genera, listed alphabetically
Agapostemon (Family Halictidae) - metallic sweat bees
Andrena (Family Andrenidae) - mining bees
Apis (Family Apidae) - honey bees
Bombus (Family Apidae) - bumble bees
Ceratina (Family Apidae) - small carpenter bees
Dialictus (Family Halictidae; subgenus of Lasioglossum) - small sweat bees
Halictus (Family Halictidae) - sweat bees
Lasioglossum (Family Halictidae) - sweat bees
Megachile (Family Megachilidae) - leafcutter bees
Melissodes (Family Apidae) - long-horned bees
Osmia (Family Megachilidae) - mason bees
Seladonia (Family Halictidae; subgenus of Halictus) - small metallic sweat bees
Andrena (Family Andrenidae) - mining bees
Apis (Family Apidae) - honey bees
Bombus (Family Apidae) - bumble bees
Ceratina (Family Apidae) - small carpenter bees
Dialictus (Family Halictidae; subgenus of Lasioglossum) - small sweat bees
Halictus (Family Halictidae) - sweat bees
Lasioglossum (Family Halictidae) - sweat bees
Megachile (Family Megachilidae) - leafcutter bees
Melissodes (Family Apidae) - long-horned bees
Osmia (Family Megachilidae) - mason bees
Seladonia (Family Halictidae; subgenus of Halictus) - small metallic sweat bees