MISSOULA, Mont. — A rusty red color covers the tips of trees in the hills of Missoula. Forester John Ottman says the Douglas-fir tussock moth is responsible. Ottman says he doesn’t know how it got ...

It’s early fall and we sometimes enjoy seeing fuzzy orange and black caterpillars trekking over the trails on their way to better foraging or a site for pupation. Although we usually call them “woolly ...

Is that tiny piece of fuzz moving? Floridians, brace yourself — it's the return of the tussock moth caterpillar. These hairy critters are lurking around common outdoor hangouts, such as local parks, ...

Douglas firs (Pseudotsuga menziesii) are beautiful evergreen trees native to the Pacific Northwest and regions of the Rocky ...

They're back, they're hairy, they're everywhere, they seemingly fall out of the sky, and they can give you a nasty rash. Tussock moth caterpillars have returned to Florida. The fuzzy little critters ...

The caterpillars may look fuzzy, but do not touch them. That’s the advice the U.S. Forest Service has for people camping in central and northern New Mexico. Douglas-fir tussock moth caterpillar ...

We have been encouraging our backyard milkweed to grow ever since we moved over five years ago. I have friends who have issues with the aggressive growth of milkweed. We don’t have this problem. We ...

Getting your Trinity Audio player ready... Black-tusked tussock moth caterpillars are munching fir trees along Colorado’s Front Range, spreading across 25,000 acres in one year and forcing a $293,000 ...

Even as the South Platte River near Buffalo Creek swells from this year’s heavy rains, trees along the river are turning brown. But the cause is not lack of moisture or even too much rain. The needles ...