Dragonfly Guide

Corduliidae

Tillyard, 1926

The Corduliidae, also knowns as the emeralds, emerald dragonflies or green-eyed skimmers, is a family of dragonflies. These dragonflies are usually black or dark brown with areas of metallic green or yellow, and most of them have large, emerald-green eyes. The larvae are black, hairy-looking, and usually semiaquatic. They are not uncommon and are found nearly worldwide. The Treeline Emerald (Somatochlora sahlbergi) belongs to this family and is not (yet) rare but considered extremely hard to see as an adult. It is one of the species most endangered by the global warming.

Distribution

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Distribution map. Data from gbif.org

Sources

  • Trollsländor i Europa, Åke Sandhall