Range extension from previous locations posted on iNat. Same insect as https://inaturalist.ca/observations/242088461. Caterpillar found inside pitcher of pitcher plant, at the base of the pitcher. Pitcher was cut away with scissors to reveal the caterpillar. Accompanying photos show how the pitcher had been sewn closed and looked like a balloon. Two pictures by @jleader show the pitcher plant in situ with the ballooned pitcher.
Phyllonorycter basistrigella. Photographed in Toronto, Ontario on 4 August 2016.
This did not register as a bird on Merlin…must be a frog?
The species has been spotted a handful of times over the past 3 years
North Shore Cootes Paradise forest