An infestation of red fire ants could soon swarm the UK, experts warn

A new study warns that the UK could face an invasion of red fire ants, one of the world’s most invasive species. Originally from South America, they’ve now been spotted in Europe, raising concerns about their continent-wide spread. Their stings are painful and can cause serious reactions. Scientists are urging the public to help track and limit their expansion, emphasizing the important role citizens can play in spotting invaded areas. 

The red fire ant, scientifically known as Solenopsis invicta, has been sighted in Sicily, marking its first appearance in Europe. This invasive species is notorious for its rapid spread and painful stings, which can cause pustules. It originally hails from South America but has reached various parts of the world through methods like wind dispersal, maritime trade, and plant product shipments. Besides Europe, it has already established itself in Australia, China, the Caribbean, Mexico, and the US. Researchers express concern about its presence in Europe, despite the absence of this species until now among other invasive ants. 

Scientists, who had long feared their arrival, were surprised to find these ants in Sicily. Tests uncovered 88 nests in a 4.7-hectare area, some housing thousands of ants. Locals reported being stung since at least 2019, suggesting the ants had been there for a while, and the infested area may be larger. To trace their origin, researchers analyzed queen ant DNA, finding that this population came from either the US or China. 

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