This waterproof Laminated Guide to Aquatic Macroinvertebrates introduces students to larval and adult forms of 22 common aquatic organisms, and describes their value as indicators of water quality. This compact, convenient guide folds out to 11” x 17”.
The following organisms are detailed in this guide:
Stoneflies
Mayflies
Caddisflies
Water Pennies
Riffle Beetles
Water Snipe Flies
Dobsonflies
Alderflies
Damselflies
Dragonflies
Crane Flies
Midge Flies
Black Flies
Crayfish
Aquatic Sow Bugs
Scuds
Snails
Clams
Mussels
Aquatic Worms
Leeches
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