Best Corduliidae

Neurocordulia yamaskanensis, commonly known as the Stygian Shadowdragon, is a North American dragonfly belonging to the Corduliidae family. This species exhibits remarkable specialization, exclusively flying during twilight hours – primarily dusk. Its dark coloration and unique crepuscular behavior...

The Coppery Emerald is a dragonfly species found in the southeastern United States, highly notable among entomologists for the brilliant metallic copper sheen covering its thorax.

Described by Samuel Scudder in 1866, the Ski-tipped Emerald (*Somatochlora elongata*) is a North American dragonfly named for the distinctive ski-shaped tip of its abdomen.

The Prince Baskettail, described by Hermann August Hagen in 1861, is a large North American dragonfly distinguished by its distinctive, butterfly-like erratic flight patterns.

The Tau Emerald (*Hemicordulia tau*) is an Australian dragonfly named for the distinct, pale tau-shaped marking located on the front of its dark face.

The Mocha Emerald is the largest dragonfly of the Somatochlora genus in eastern North America, noted for its elongated abdomen and rich brown coloration with pale lateral stripes.

The Smoky Shadowdragon (Neurocordulia molesta) is a North American dragonfly noted for its crepuscular behavior, remaining hidden during the day and emerging at dusk to hunt.

The American Emerald is the sole member of the genus Cordulia, first described by Samuel Hubbard Scudder in 1866, and is readily identified by its bright metallic green thorax.

The Racket-tailed Emerald is a small North American dragonfly first described by Edmond de Selys Longchamps in 1861, uniquely named for the racket-like shape of the male's claspers.

Described by Philip Calvert in 1898, the Ocellated Emerald (*Somatochlora minor*) is a North American dragonfly recognized by its dark metallic green body and forest habitat.

The Forcipate Emerald is a North American dragonfly named for the distinctive, forcep-like reproductive appendages on the males, first described in 1866 by Samuel Scudder.

The Cinnamon Shadowdragon (Neurocordulia virginiensis) is an eastern North American dragonfly distinguished by its crepuscular habits, emerging primarily at dusk to hunt over flowing rivers.

The Ozark Emerald is an endemic North American dragonfly species described by Charles Bird in 1933, exclusively inhabiting the pristine spring-fed streams of the Ozark Mountains.

The Mountain Emerald is a dragonfly species native to the Pacific Northwest, notably inhabiting high-elevation mountainous regions and small, clear seepage-fed pools.

Williamson's Emerald is a North American dragonfly described by Edmund Walker in 1907, distinguished by its metallic green coloration and preference for small woodland streams.

The Dot-winged Baskettail (*Epitheca petechialis*) is a North American dragonfly notable for the small, dark spots located at the tips of its otherwise transparent wings.

Described by Thomas Say in 1839, the Clamp-tipped Emerald is an eastern North American dragonfly famously named for the male's uniquely shaped, forceps-like abdominal claspers.

The Brush-tipped Emerald is an eastern North American dragonfly recognized by the prominent, brush-like hairs on the male's abdominal claspers, often hunting along clear forest streams.

Described by Edmond de Selys in 1871, Uhler's Sundragon (*Helocordulia uhleri*) is a North American dragonfly known for its habit of patrolling sunny patches within forests.

Described by Hermann August Hagen in 1878, Selys's Sundragon (*Helocordulia selysii*) is a North American dragonfly notable for hunting in sunlit gaps within wooded areas.

The Robust Baskettail is a dragonfly species belonging to the Corduliidae family, classified within the genus Epitheca, and primarily distinguished by its sturdy body structure.

The Fine-lined Emerald is a dragonfly species found in the southeastern United States, distinguished by the pair of exceptionally thin, pale yellow stripes adorning its dark thorax.

First described by Thomas Say in 1839, the Common Baskettail is an abundant North American dragonfly recognized by the dark spots at the base of its transparent wings.

The Hudsonian Emerald is a circumboreal dragonfly species native to Canada and the northern United States, specifically adapted to thrive in cold, northern peatland environments.

The Umber Shadowdragon (Neurocordulia obsoleta) is an eastern North American dragonfly noted for its crepuscular habits, flying mostly at dusk near large rivers.

The Kennedy's Emerald is a North American dragonfly species described by Edmund Walker in 1919, prominently recognized by the two yellow stripes marking its dark metallic thorax.

The Lake Emerald is a northern dragonfly species uniquely adapted to large, deep lakes, setting it apart from other members of the Somatochlora genus that prefer streams or bogs.

The Treeline Emerald is a dragonfly species found in Canada and Alaska, notable for being one of the few insects adapted to thrive at the extreme northern edges of the boreal forest.

The Delicate Emerald is a circumboreal dragonfly species known for its notably slender and fragile abdomen, primarily observed flying through northern spruce and tamarack bogs.