Ontario Butterflies

My FOY monarch sighting, a fresh male, May 19, 2026 in Bestview Park (43.802,-79.383).

Sent from my iPhone

In a wild field at Anne Bartley Smith Property - High Tor in Ontario Heritage Properties N 43° 57.835

On April 22nd I had a monarch flying north at the tip Pelee, was wondering if it was perhaps record

Interesting discussion for sure. Early season Grey Hairstreaks in Norfolk County are more common than

Friday April 17 lunch walk around campus saw this one on the front lawn of Trinity College.

I met Susan Brown at Bestview on Friday and along with the usual suspects (lots of mourning cloaks

Rick Mayos photographed a Common Sulphur today at 1:46pm at the weather station field at DeLaurier. I

Two individuals were seen flying about the woodlot, along with at least 6 Mourning Cloak!

I'm recovering from pneumonia so the plan was for Susan Brown to visit the park and call me if

On Sunday, November 23, 2025 at 9:00:30 PM UTC-5 donald...@gmail.com wrote: What an outstanding

Article published today in New York Times - hard copy. https://www.nytimes.com/2025/11/17/science/

I was informed this afternoon that noted entomologist J. Donald Lafontaine, co-author of Butterflies

Nov. 23 - 25, 2025 - National Geographic Live His award winning photos have been at ROM as part of

Remembering my mentor Dr. Fred A. Urquhart of the University of Toronto who, with Norah, conducted

Free and most informative. Late monarchs still being reported across Ontario, with one reported at

How does timing affect monarch fall migration success? - New MJV posting: https://storymaps.arcgis.

Join Monarch Joint Venture for a presentation on the State of Monarch Conservation — exploring

Chip Taylor, Founding Director, Monarch Watch, reports: "Barring a national or international

Monarch counts published daily on the park Facebook page. It will be most interesting to monitor

Hi Bill, when I first moved to Lambton Shores (in 2019) this species was difficult to find but over

Spotted one White Admiral butterfly at Rosetta McClain Gardens on Monday, August 25 at 3pm.

I was super excited to see and photograph an individual nectaring on (mostly) Cup Plant and Ironweed

There may be other sightings of California Tortoiseshell around Ontario, as they sometimes have mass

I just spoke with Cameron Chevalier who is now Park Interpreter at Point Pelee. He reports that

I thought these observations would be of interest as this may be the only documented sightings from

Staff at the Pelee Island Butterfly Sanctuary observed Zebra Swallowtail visiting planted pawpaws,

My first monarch today west of Port Hope in a large agricultural field. Also found 6 eggs on young