Probably introduced into Australia by early European settlers tropical fire ants (Solenopsis geminata) are highly aggressive and attack any intruder who disturbs their nest.
It is spreading into the Kimberley and other remote areas and if it reaches Queensland and the rest of Western Australia and the Northern Territory would threaten invaluable ecosystems as well as our health and lifestyles.
Photo: April Nobile | www.AntWeb.org