Lasius orientalis and Lasius umbratus—invade and overtake a host ant colony. In both cases, the parasitic ant queen invades the nest and sprays the host colony queen with what is likely formic acid.

They explained that in the ruthless world of parasitic ants, taking over a host colony is a matter of life and death.

Newly mated parasitic queen ants invade colonies and spray their victims with a chemical irritant that provokes the workers to kill their mother.

For some would-be ant queens, the easiest way to take over a colony is to dupe its worker ants into committing regicide.

Fire ants are a major biosecurity threat that can decimate crops, kill livestock and cause potentially deadly allergic reactions to Australians. But as authorities drastically ramp up efforts contain ...

Fire ants are a major biosecurity threat that can decimate crops, kill livestock and cause potentially deadly allergic reactions to Australians. But as authorities drastically ramp up efforts contain ...

The Guam Department of Agriculture is developing a plan to keep little fire ants out of a conservation forest along Cross ...

Invasive tawny crazy ants have been wreaking havoc across the U.S. Gulf Coast from Florida to Texas, disrupting ecosystems ...

Ghost ants can be a major pest if allowed to enter your home. Follow these steps to keep them out, or, if they're already ...

Sicily is on the front line of Europe’s fire ant invasion. If it fails to contain the spread, more countries will be at risk. Genovesi hopes that the potential danger will spur the rest of the ...

Nobody wants to find a brown recluse spider in their yard, garden, or house. Sadly, there's something you're doing that is drawing them in.

It’s hip to hate on lawns nowadays. Hashtags like #KillYourLawn are all over social media—there’s even a TV show with the same name. No wonder: With labor costs climbing and the harmful effects of ...