Email Print Share

All Images


Research News

Border crossing: 10 things to know about invasive fire ants on the march

fire ants on a plant

Invasive fire ants: They're on the march across the U.S. Southeast and beyond.

Credit: Wikimedia Commons


Download the high-resolution JPG version of the image. (162.5 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Invasive fire ants. Crossing the border from South America to North America, they're on the march across the U.S. Southeast and beyond. How does habitat--in particular, corridors that connect one place with another--help these ants spread?

Credit: Video: NSF; Photo: USDA


Download the high-resolution JPG version of the image. (202.9 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

closeup of a fire ant's head

Mowing your lawn? Planning a hike or picnic? Watch where you walk or spread your blanket.

Credit: USDA


Download the high-resolution JPG version of the image. (100.8 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Scientists Julian Resasco (left) and Elizabeth Long at a fire ant site in a forest

Scientists Julian Resasco (left) and Elizabeth Long collect data at the fire ant study site.

Credit: Nick Haddad


Download the high-resolution JPG version of the image. (766.4 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

A newly emerged fire ant queen

A newly emerged fire ant queen, ready to disperse and establish a new colony.

Credit: Nash Turley


Download the high-resolution JPG version of the image. (434.0 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Large fire ant colonie mound

Larger fire ant colonies build larger mounds, which are filled with aggressive ants.

Credit: Julian Resasco


Download the high-resolution JPEG version of the image. (190.4 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

scientists in a corridor connecting two fire ant sites in a forested area

The habitat at the study site. A corridor that connects to another is in the background.

Credit: Julian Resasco


Download the high-resolution JPG version of the image. (648.4 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.