The sight of dozens of caterpillars wriggling and squirming inside of what looks like a spider web tent in a crotch of the branches is gross, no doubt, but the critters are more unsightly than harmful ...

Admittedly, Kathy Carlson of Duluth doesn’t know very much about forest tent caterpillars. But she does know she never wants to see one again. Consider her wish (partially) granted. The Minnesota ...

Major outbreaks of forest tent caterpillars appear likely this year and next Planning a June outdoor wedding in northern Minnesota? Yeah, you might want to rethink that. The cyclical invasion of ...

DULUTH, Minn. -- They came by the millions, eating every green leaf in their path and then pooping on everything below. Forest tent caterpillars covered houses and garages, ruined picnics and camping ...

Two species of tent caterpillars are important tree pests in New York State. About every decade they become numerous enough in local outbreaks to cause concern. At times the epidemics reach statewide ...

DULUTH -- Forest tent caterpillar numbers crashed in 2014, a year they should have multiplied, surprising forest pest experts but leaving residents and visitors of northern forests grateful and their ...

Forest tent caterpillar populations have been on the rise in some northern and west-central Minnesota counties since 2007, but this year’s spotty hatching shows some sign that populations may be ...

"There’s some live ones here and they’re pretty active," Carol Thaemert-Fox said, pointing to some forest tent caterpillars in a container. She captured them climbing up her trees near Aitkin, on the ...