An army of ‘very hungry caterpillars’ invades a popular Alberta campground (opens original article in a new tab)

Visitors to Pigeon Lake Provincial Park in Alberta are dealing with an influx of forest tent caterpillars as part of a cyclical population boom, which Alberta Parks describes as a seasonal guest rather than an infestation.

• Forest tent caterpillars have invaded Pigeon Lake Provincial Park in Alberta
• The caterpillars are part of a cyclical population boom occurring every 10-12 years
• Campers report the caterpillars are present on picnic tables, fire pits, and trees