Caterpillars thrive for the fourth consecutive year

Saskatoon residents look forward to getting more time outside when spring arrives — but whether they head out to a local park, grab a bite at a food truck or go for a bike ride, they often have company: hordes of caterpillars. 
Increases in three species — forest tent caterpillars, cankerworms, and leaf rollers — are an annual issue for the city. Although they don’t cause permanent damage to the trees, Saskatoon is currently in its fourth year of