Red baron

''Urothemis aliena'', commonly called the red baron, is a species of dragonfly found in northern and eastern Australia and New Guinea. It is a member of the family Libellulidae. It inhabits riverine lagoons and ponds.

''Urothemis aliena'' is a medium-sized dragonfly with a bright red body and two dark spots on segments eight and nine of its abdomen. The hindwing has a dark triangular-shaped reddish-brown mark at the base. Its Australian distribution is from Broome, Western Australia along the north of the continent to the southern Queensland border.