Dragonflies such as Eastern Pondhawk may spend 1 to several years as nymphs before emerging as adult.

Other dragons commonly seen on the COD campus include Widow Skimmer and the constantly flying Black Saddlebags.

Damselflies such as American Rubyspot, and Ebony Jewelwing also have an aquatic nymph stage.

Other damsels commonly seen on the COD campus include Eastern Forktail and Spotted Spreadwing