Ottawa (Dunrobin), ON Canada

15 August 2001   12:11AM  (top left)

23 August 2000   1:03AM  (top right)

14 August 2001   10:00PM  (bottom left)

23 August 2000   1:08AM  (bottom right)

The two left-hand images are of the same individual, and the two right-hand images are similarly of a single individual. This species also photographed on 9 September 2000 and on 1 and 16 August 2001.