Best Corduliid
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The Alpine Emerald (Somatochlora alpestris) is a Eurasian dragonfly described in 1840, notable for breeding in cold acidic bogs in arctic and mountain regions.
The Ocellated Emerald (Somatochlora minor) is a northern North American dragonfly described by Philip Powell Calvert in 1898 and associated with small streams.
The Racket-tailed Emerald (Dorocordulia libera) is a North American emerald dragonfly described in 1871, named for the expanded tip of the male abdomen.
The Ski-tipped Emerald (Somatochlora elongata) is a North American dragonfly described in 1866, named for the upturned tips of the male's terminal appendages.
The Quebec Emerald (Somatochlora brevicincta) is a rare North American bog dragonfly described by Adrien Robert in 1954 and named from Quebec.
The Northern Emerald (Somatochlora arctica) is a Eurasian bog dragonfly described in 1840; in the British Isles it occurs chiefly in western Scotland.
The Incurvate Emerald (Somatochlora incurvata) is a rare northeastern North American bog dragonfly described by Edmund Murton Walker in 1918.
The Stripe-winged Baskettail (Epitheca costalis) is an eastern and southern United States emerald dragonfly described by Edmond de Selys Longchamps in 1871.
The American Emerald (Cordulia shurtleffii) is a northern North American dragonfly described in 1866, commonly breeding in boggy ponds and lakes.
The Robust Baskettail (Epitheca spinosa) is an eastern United States emerald dragonfly formally described by Hermann August Hagen in 1878.
Epitheca semiaquea, the Mantled Baskettail, is an eastern United States emerald dragonfly described by Hermann Burmeister in 1839.
