Tent caterpillars: What you need to know about Ottawa's insect invaders - Ottawa - CBC News

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By CBC News Ottawa, June 22, 2017

If you spent any time outdoors this spring, you probably noticed the abundance of caterpillars.

Any place you'll find greenery—parks, trees, gardens—you're sure to find a caterpillar or two. Or 2,000.

But fear not. The caterpillars, say entomologist Chris Schmidt, are harmless.Schmidt spoke to Hallie Cotnam on Thursday's edition of Ottawa Morning about the caterpillar invasion, and what can be done to protect your trees and plants. Spoiler: not much.

http://www.cbc.ca/news/canada/ottawa/tent-caterpillars-ottawa-1.4171839