How large can a damselfly’s wingspan be?

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Male jewelwing damselfly (Calopteryx splendens). — Odonata Male jewelwing damselfly (*Calopteryx splendens*).

Damselfly wingspans vary significantly across species, ranging from approximately 18 mm (0.71 inch) to about 19 cm (7.5 inches). The upper end of this range is reached by Megaloprepus caerulatus, a giant damselfly native to tropical Central and South America.12