Wes Mountain/The Conversation
Yellow crazy ants are one of the world's worst invasive species. And it turns out they have unique systems of reproduction that make life in the queendom more complicated than we realised.
The European fire ant, Myrmica rubra, is one of the invasive ant species in Ontario. They are known for their painful sting.
Animals that are traded as pets are more likely to be invasive species, including a relatively new pet: ants.
Argentine ants are a fact of life in many parts of Australia, but can still potentially be banished from Norfolk Island.
Invasive pest ants cause billions of dollars worth of damage to crops, and threaten some of Australia's World Heritage rainforests. The federal budget has pledged nearly $30m on wiping them out – but how?