Archaeosynthemis occidentalis
Archaeosynthemis occidentalis is a species of dragonfly of the family Synthemistidae,
known as the western brown tigertail.
It is a medium-sized dragonfly with reddish-brown and yellow markings.
It is endemic to south-western Australia where it inhabits boggy creeks and swamps.
Archaeosynthemis occidentalis appears similar to Archaeosynthemis orientalis found in eastern Australia.