have hundreds or thousands of ants. these are hundreds of thousands and millions of ants. >> reporter: the ant is native to argentina and brazil, but moving in records. especially here in florida where they've invaded 20 different counties, including ones here in the tampa bay area. as you can see they certainly know how to multiply. researchers at university of texas, austin, say ant colonies can reach densities 100 times greater than others in the area combined. surprising exterminators like chet roland. i've never seen nothing like this. infesting everything from homes and businesses to get this even electronics. turns out the little hairy ants have expensive tastes. he says they're attracted to heat-producing devices, like computers and smartphones. according to researchers, in texas caused $146.5 million in damages in one year. >> we have liquid ant bates. will this stop them? >> no.