Dragonflies and Damselflies
Order Odonata
The Dragonflies and Damselflies (Order Odonata) includes 510 species across 18 families and 97 genera in our directory.
About Dragonflies and Damselflies
Odonata includes ~6,000 described species of dragonflies and damselflies. Dragonflies are among the fastest flying insects, reaching 36 mph (58 km/h). They can fly in any direction including backward, and hover in place - each wing operates independently.
Economic Impact
Dragonflies are voracious predators that consume hundreds of mosquitoes daily, providing natural pest control worth millions in reduced mosquito-borne disease risk. A single dragonfly can eat 30 to hundreds of mosquitoes per day.
Ecological Role
Dragonflies predate dinosaurs by nearly 100 million years - fossils date to 325 million years ago. The largest dragonfly ancestor, Meganeuropsis permiana (285 mya), had a 75cm wingspan, enabled by atmospheric oxygen levels of 31-35% compared to today's 21%. Dragonflies have a 95% hunting success rate - the highest of any predator.
Families in Odonata (18)
Species in Odonata (510)

White-belted Ringtail
Erpetogomphus compositus

White-faced Meadowhawk
Sympetrum obtrusum

Whitehouse's Emerald
Somatochlora whitehousei

Widow Skimmer
Libellula luctuosa

Williamson's Emerald
Somatochlora williamsoni

Yellow-legged Ringtail
Erpetogomphus crotalinus

Yellow-sided Skimmer
Libellula flavida

Yellow-spotted Emerald
Somatochlora flavomaculata

Zebra Clubtail
Stylurus scudderi

Zigzag Darner
Aeshna sitchensis