SPECIES ID / Invertebrates

Insects

Sth'ekw'

Over 750,000 species of insects are known
8,600 live at least part of their life cycle in freshwater in North America
Many types undergo metamorphosis from larval to adult form (like a catarpillar to a butterfly)
Most adults are winged and not aquatic
All adults and many larvae have 6 segmented legs
Adults have compound eyes and one pair of antennae

Alderfly

Caddisflies

Dobsonfly/Fishfly Larvae

Dragonflies/Damselflies

Mayflies

Stoneflies

True Bugs

True Flies

Water Beetles

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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.