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Red imported fire ants. The red imported fire ant (Solenopsis invicta) is an invasive species in Australia originating from South America but imported to Australia, New Zealand, the United States of America and several Asian and Caribbean countries. Fire ants are listed by the International Union for Conservation of Nature (IUCN) as one of the ...
The red imported fire ant is a member of the S. saevissima species-group. Members can be distinguished by their two-jointed clubs at the end of the funiculus in workers and queens, and the second and third segments of the funiculus are twice as long and broad in larger workers.
Red fire ants are forming rafts to travel on flood waters in the northeastern Australian state of Queensland, with the extreme weather threatening a countrywide spread of the highly invasive species.
Although most fire ant species do not bother people and are not invasive, Solenopsis invicta, known in the United States as the red imported fire ant (or RIFA), is an invasive pest in many areas of the world, including the United States, Australia, China and Taiwan. [23]
The red fire ant, one of the world’s most invasive species, has been found in Europe for the first time, according to a new study published Monday.
The red imported fire ants don't have many natural predators in Southern California, except for phorid flies. The key to killing a local colony of red imported fire ants is using a combination of ...
Red imported fire ants Insects are the second costliest class of invasive species in Australia, behind only the mammals. Fire ants in Australia ( Solenopsis invicta ) are estimated to cost A$ 1.72 billion (2021) (equivalent to A$ 1.83 billion or US$ 1.33 billion in 2022) [ 38 ] annually, making up 71% of the total costs of invasive insects.
The stings of the red imported fire ant in animals are painful, and may prove life-threatening. [70] In dogs, stings from the red imported fire ant can cause pustular dermatosis, a condition where pustules appear in crops as a result of the ant sting. [71] After getting stung, the immediate response consists of erythema and swelling.