Eusynthemis ursa is a species of dragonfly of the family Synthemistidae, known as the Barrington tigertail. It is a bulky, medium-sized dragonfly with black and yellow markings. It has been found at altitude in the vicinity of Barrington Tops, New South Wales, Australia
Etymology The genus name Eusynthemis combines the Greek εὖ (eu, "well") with Synthemis, an existing genus of dragonflies, referring to a more developed form compared with other members of Synthemis.
The species name ursa is Latin for "she-bear", referring to its larger size compared with Eusynthemis ursula, Latin for "little she-bear".
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See also List of Odonata species of Australia
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