By CBC News Ottawa, June 26, 2015

They're cute, fuzzy, smaller than most people's pinkie fingers -- and if you
touch them, you may regret it. The black and white tussock moth caterpillar
lives in elm, ash, oak and hickory trees, and earlier this week Transport
Canada, which has offices on Sparks Street, issued a warning to its employees
that the caterpillar had been spotted in downtown Ottawa. via
Venomous fuzzy caterpillar spotted in downtown Ottawa - Ottawa - CBC News.