Ophiogomphus incurvatus
Ophiogomphus incurvatus, the Appalachian snaketail, is a species of dragonfly in the family Gomphidae. It is endemic to the United States. Its natural habitat is intermittent rivers. References 

Insects of the United States
Ophiogomphus
Insects described in 1982
Taxonomy articles created by Polbot