Authorities have warned we could see 650,000 additional medical visits annually if the problem is not addressed.

Both species are small in stature, but hundreds of their queen ants can inhabit a single ... The pheromone also showed strong effects on red imported fire ants. “The pheromone, which is ...

particularly these type of single queen colonies that have been at the site." He said there were two types of fire-ant colonies — multi-queen colonies that spread by queens walking to new ...