After snapping this picture of a damsel fly I turned to my insect guide and decided it must be an American Ruby Spotted. After finding your website I now think maybe it is an Autumn Meadowhawk. How can I tell the difference?
Honestly, we are hopelessly inadequate at identifying the Odonata to the species level. We can tell you that this is not an American Ruby Spotted Damselfly. It is a Dragonfly. Many species of Damselflies rest with folded wings while Dragonflies rest with wings opened.