Regal Fritillary in Ontario

Alan Wormington wormington at
Wed Oct 18 12:53:09 EDT 2000

On October 2nd, a Regal Fritillary was reported at Holiday Beach
Conservation Area, Ontario, which is about 20 miles west of Point Pelee. 
 The specimen was not collected, but was observed at length by three
individuals.  It was described as being fairly fresh and was sexed as a

This is the first Ontario record since the mid-1970's of a species that
is essentially extirpated throughout eastern North America.

I looked at several state butterfly books (Ohio, Michigan, Indiana and
Illinois) to see how late the species has been recorded, but could find
no flight dates after about mid-September.

Although the species is highly nomadic, one still wonders where this
individual originated.

Are any readers familiar with the species in the Midwest or farther west?
 Where are there sizable populations close to Ontario where this
individual may have originated?  Also, in these populations has the
species been recorded as late as early October?

Any comments or insight on the above would be greatly appreciated.

Alan Wormington
Leamington, Ontario
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