Appearance
The male eastern billabongfly has a bright blue thorax with black markings, and a long and slender black abdomen with blue rings and a blue tip. The female is a similar size to the male and is pale blue to grayish-green in colour. The antehumeral stripe of the female is a contrastingly bright green.
Naming
Eastern billabongflies appear similar to common bluetails and blue riverdamsels. Eastern billabongflies are smaller. Eastern billabongflies have a blue bar just behind their eyes where the common bluetail has two blue spots. The tips of the tails of eastern billabongflies have two black squares, whereas the common bluetail and blue riverdamsel tails are all blue. Eastern billabongflies have a green antehumeral stripe, where the common bluetail has a blue stripe. The eyes of an eastern billabongfly are mostly uniformly coloured, whereas common bluetails have bi-coloured eyes.
Distribution
Eastern billabongflies are found throughout northern and eastern Australia, New Guinea, as well as on New Caledonia in the Pacific.Behavior
Eastern billabongflies usually rest on plants either in a pond or at the waters edge, and sit very close to the water surface. They are relatively quick flyers.References:
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