Somatochlora semicircularis, the mountain emerald, is a species of emerald dragonfly in the family Corduliidae.

[3][4][5][6] It is found in North America.

[3] The IUCN conservation status of Somatochlora semicircularis is "LC", least concern, with no immediate threat to the species' survival.

The population is stable.

This article related to Corduliidae is a stub.