Both males and females are approximately 8 mm long. Their entire bodies are a shiny, bright green, but sometimes with a coppery sheen. Male Augochlora pura tend to have darker mandibles and may be slightly more bluish than females, but otherwise, males and females are similar.
A. pura builds its nests in rotting wood in forests and even wood piles in suburbia. It spends most of its time near its nests, but also visits nearby brush and pastures.