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 ...

• The forest tent caterpillar is a native defoliator of a wide variety of hardwood trees and shrubs. It is often mistakenly called the armyworm. • Its range in North America extends from coast to ...

Municipalities and experts are advising Albertans of soaring caterpillar populations this spring. Clusters of forest tent caterpillars are frequently seen feeding on trees across North America, ...

A French version of this press release is available by clicking here. Edmonton (March 12) - Sustainable Forest Management Network Principal Investigator, Dr. Jens Roland has discovered a correlation ...

It is hard not to notice those clusters of sticky caterpillar nests strewn amongst the branches of certain trees. In fact, those gooey, white balls of webs spark quite a few questions whenever we ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 'Tis the season for caterpillar overreaction. Before we get to the protagonist of this column, a quick note on caterpillar ...

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Add Yahoo as a preferred source to see more of our stories on Google. Forest tent caterpillars in the Edmonton river valley on Friday, June 5, 2026. Forest tent caterpillars are native to the Edmonton ...

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 ...