Numbers
Nearctica lists approximately 140 species.
Identification
Metallic green, blue or blue-green, with short, robust body.
Season
Most species early-late spring, a few active in summer.
Food
Many species visit Vaccinium, including blueberries, and other Ericaceae.
Remarks
Variety of nesting; some excavate in the soil, others use hollow stems. They partition the cells with walls made of clay or other materials.