The Arboretum, Guelph (N43º32'33"W080º12'49"), Wellington, Ontario, Canada April 18, 2009 Size: 1.0 mm
Ontario data point. There were lots of these on the still pond surface, but I didn't notice this individual until I played back the image on my camera.
Contributed by Stephen Luk on 24 April, 2009 - 3:18pm
