An ant infected by a cordyceps fungus with a stroma emerging from the back of its head. (Credit: David P. Hughes, Maj-Britt Pontoppidan/Wikimedia Commons)

Forget The Walking Dead – there’s a real zombie outbreak happening right now — though it’s more like the crawling dead.

Ants, moths, grasshoppers, wasps and hundreds of other species of insects regularly fall victim to a deadly parasite that hijacks their bodies and brains, causing strange behaviors and eventually leading them to thei