These are photographs of bees collected in National Parks from a variety of separate projects.
Hoplitis fulgida, Grand Tetons National Park
Perdita latior, Arizona Petrified Forest National Park
Leptochilus acolhuus, Key Biscayne National Park, Florida
Sceliphron caementarium, Biscayne, Florida
Augochlorella aurata, Camden County, Georgia
Osmia chalybea, Georgia, Camden County
Agapostemon angelicus, Pennington County, South Dakota, Badlands National Park
Fly, Fossil Butte National Monument, Wyoming
Megachile pseudobrevis, Fort Matanzas National Monument, Florida
Andrena illinoensis, South Dakota, Badlands National Park
Andrena astragali, female, Badlands National Park, SD
Anthophora affabilis, Badlands National Park, South Dakota
Dufourea marginata, Isle Royale, Michigan
Lasioglossum pictum, Sleeping Bear Dunes National Lakeshore, Michigan
Andrena accepta, South Dakota, Badlands National Park
Anthidium maculifrons, Key Biscayne National Park, Florida
Epeolus zonatus, Cumberland Island National Seashore, Georgia
Agapostemon virescens, Kings County, New York
Melecta species, Fossil Butte National Monument, Wyoming
Dianthidum curvatum, South Dakota, Badlands national Park
Dianthidium concinnum, Pennington County, South Dakota
Nomia universitatis, South Dakota, Badlands National Park
credit: USGS Bee Inventory and Monitoring Laboratory