Following is a transcript of the video. Narrator: At first glance, a fire ant hill — or mound, as it's properly called — looks impossibly small. And yet, a colony of up to 250,000 ants call it ...

Hybrid fire ants, well established in East Tennessee and parts of Kentucky and North Carolina, are now infiltrating Southwest Virginia.

Agricultural officials in Southern California are battling an active infestation of red imported fire ants that are "highly ...