Agapostemon is a genus of solitary bees commonly known as sweat bees. They are small to medium-sized insects, typically measuring around 10-15 millimeters in length. Agapostemon bees are known for their vibrant metallic green or blue coloration, which varies among species. They are important pollinators, often found in gardens and meadows, and are known for their gentle nature, rarely stinging unless provoked.