A green metallic sweat bee (Agapostemon virescens) grooms after collecting nectar from a flower. Sweat bees, also know as halictid bees, do not have a complex social organization like honey bees; females may dig out their own nesting chambers off of a shared main tunnel, but they collect their own food and nesting materials.

A green metallic sweat bee (Agapostemon virescens) grooms after collecting nectar from a flower. Sweat bees, also know as halictid bees, do not have a complex social organization like honey bees; females may dig out their own nesting chambers off of a shared main tunnel, but they collect their own food and nesting materials.