Here’s an extremely rare report of a Horace’s Duskywing (Erynnis horatius) in Toronto submitted by Peter_hall and found by Bob Yukich. Another species expanding its range northwards, potentially due to Climate Change.
https://www.e-butterfly.org/ebapp/en/checklists/view/119642
Have you seen this species in Northern latitudes? Submit it to www.e-butterfly.org