Researchers have experimented with insecticides and ant contraceptives to fight back, but another strategy has garnered more attention recently: importing parasitic phorid flies from South America that typically attack the ants. (discovermagazine.com)
Parasitic phorid flies are another problem, and highly contagious infections also pose significant threats. (cfact.org)
For example, some research has shown that invasive fire ants sometimes stay in their nests and avoid foraging to prevent infection by phorid flies, allowing native ants to regain territory. (sciencemag.org)