When Winter Comes The Gorillas Simply Freeze To Death

What could go wrong.

Leach says scientists are worried that the invaders could alter the ecology of forests, killing off some species. "We're also starting to see early indications of displacement of other insects, and, as a result, displacement of birds as well," she says.

What could stop them? Leach mentions a idea that seems a little crazy at first. Maybe, if the problem came from China, the solution could, too.

You see, in China, the lanternfly has natural enemies that hold it in check. They are tiny wasps, so small you barely see them.

Scientists from the U.S. Department of Agriculture, working with colleagues from China, have brought two of these wasps to the U.S. under tight security. The wasps are under quarantine in a couple of USDA labs.