Notoaeschna geminata

Notoaeschna geminata is a species of dragonfly in the family Telephlebiidae, known as the northern riffle darner. It is endemic to eastern Australia, occurring north of the Hunter River, New South Wales, where it inhabits rapid streams.

Notoaeschna geminata is a large, dark brown to black dragonfly with yellow markings. It appears similar to Notoaeschna sagittata, the southern riffle darner, which occurs south of the Hunter River.