Eusynthemis tillyardi
Eusynthemis tillyardi is a species of dragonfly of the family Synthemistidae,
known as the mountain tigertail.
It is a medium-sized dragonfly with black and yellow markings.
It inhabits coastal and mountain streams in south-eastern Australia
Eusynthemis tillyardi appears similar to Eusynthemis guttata which is found in alpine streams.