Prettyboy Reservoir Butterfly
was on the North side of the dam next to the parking area, The colors on the wings are what called for a digital image!
Judging from some research this is a Spicebush Swallowtail Butterfly. They are a very popular North America Butterfly!
It was partly cloudy on this Saturday August 4, 2012 when this image was taken.
There were a number of boaters fishing on the reservoir.
Some kayakers were touring up closer to the boat launch.
More recently – As of the end of June 2015 Prettyboy is holding 17.85 billion Gallons of Water.