- This video shows the ambush behavior of the Four-spotted Skimmer dragonfly hunting for food.
- For more information on these dragonflies look at Aquatic Insects in Alaska — Dragonflies and Damselflies by John Hudson, Katherine Hocker, Robert H. Armstrong and go to page 51.
- Also this species is discussed on page 50 of Dragonfles of Alaska by John Hudson and Robert H. Armstrong
