SPECIES ID / Invertebrates

Dragonflies/Damselflies

Darner Dragonflies

Lhílhló:ya

• 11 genera and 38 species in North America

Phylum: Arthropoda
Class: Insecta
Order: Odonata
Family: Aeshnidae

Identification Tips:

Larvae
• Body length 30-60 mm
• Body is elongate and cylindrical
• Lower lip is flat, not scoop or spoon-like
• Antennae are slender with 6 or 7 similar segments

Adults
• Typically large bodied, swift fliers
• Usually with blue, green or yellow markings
• Most rest in vertical position

Life History:

Larvae
• Typically found along edges of ponds, lakes or wetlands
• Usually found on stems living or dead aquatic plants, woody debris or masses of roots
• Some live in running water usually under stones or waterlogged wood
• Stalking predators; feed on invertebrates or fish larvae

Adults
• Some species produce 1 generation per year, others have require 2, 3, or 4 years to complete the life cycle
• Hunt over ponds, wetlands and streams, wandering widely
• Females lay eggs among plants or floating wood

POLLUTION TOLERANCE
Very Sensitive Somewhat Sensitive Facultative Somewhat Tolerant Very Tolerant
  Most      

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Primary Information Source:
Voshell, J. Reese. 2002. A Guide to Common Freshwater Invertebrates of North America. McDonald and Woodward Publishing Company. Blacksburg, Virginia.