Great Blue Skimmer
Libellula vibrans
- Least concern
- Card rarity: Common
- Insects

The great blue skimmer is a dragonfly of the skimmer family. With a total length of 50 to 63 millimetres, it is one of the largest skimmers. The immature forms of the skimmer are brown in color and mature forms are blue-hued. This species is found near lakes, ponds, and slow streams in the eastern United States and rarely in southern Ontario.
Classification
- Class
- Insecta
- Order
- Odonata
- Family
- Libellulidae
- Genus
- Libellula