description Williamson's Emerald Overview
Williamson's emerald is a species of emerald dragonfly, Somatochlora williamsoni, in the family Corduliidae. It occurs in parts of eastern North America, including Canada and the United States, and is associated with boggy ponds and other wetland habitats; some regional records are historical or rare. Adults are recognized as metallic green emeralds, while identification is also based on the species' thoracic markings and abdominal form. The species is of interest to freshwater ecologists and dragonfly observers.
help Williamson's Emerald FAQ
What is Williamson's emerald?
Williamson's emerald is an emerald dragonfly with the scientific name Somatochlora williamsoni. It belongs to the family Corduliidae.
Where is Somatochlora williamsoni found?
Williamson's emerald occurs in parts of eastern North America, including Canada and the United States. It is associated with wetland habitats rather than dry open country.
What habitat does Williamson's emerald prefer?
The species is linked to boggy ponds and other wetlands where dragonflies can reproduce and forage. Protecting those wet habitats is important for populations of Somatochlora williamsoni.
Why is it called an emerald dragonfly?
The common group name refers to the metallic green or emerald appearance associated with many Somatochlora dragonflies, especially their eyes. Williamson's emerald is identified scientifically as Somatochlora williamsoni.
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