Two of the worst ant pests on the planet are invading Australia. Red imported fire ants have been detected for the first time on the western side of the Great Dividing Range in Toowoomba, Queensland. Yellow crazy ants recently reached the Whitsundays.
The yellow crazy ant (Anoplolepis gracilipes) ranks among the world’s 100 worst animal pests because of its impacts on agriculture and biodiversity. The red imported fire ant (Solenopsis invicta) poses similar threats, and is also one of the world’s most dangerous ants. Its intensely painful stings, which give the ant its name, can kill people.
The prospects of total eradication of these ants in Australia are poor. Both species are highly adaptable and colonies need to be detected and eradicated early to contain them. Eradication efforts face other several challenges, including: