Biodiversity Of Aquatic Insects 165

John C. Morse

Overview of taxa, 166

Springtails (Collembola), 166 Mayflies (Ephemeroptera), 167 Dragonflies and damselflies (Odonata), 167 Stoneflies (Plecoptera), 167 Grasshoppers and crickets (Orthoptera), 168 Earwigs (Dermaptera), 168 Lice (Phthiraptera), 168 Bugs (Hemiptera), 168 Wasps (Hymenoptera), 169 Hellgrammites and alderflies

(Megaloptera), 169 Nerve-winged insects (Neuroptera), 169 Scorpionflies (Mecoptera), 169 Beetles (Coleoptera), 169 Caddisflies (Trichoptera), 170 Moths (Lepidoptera), 171 Flies (Diptera), 171

Species numbers, 171 Societal benefits and risks, 171

Societal benefits of aquatic insect diversity in food webs, 174 Societal benefits of aquatic insect diversity in biomonitoring, 174 Societal benefits of aquatic insect diversity in fishing, 176 Societal benefits of aquatic insect diversity in control of noxious weeds, 176 Societal risks of aquatic insects, 177 Biodiversity concerns for aquatic insects, 177

Threats to freshwater species of insects, 177 Need for biodiversity discovery and description of aquatic insects, 178 Need to refine definitions of species of aquatic insects, 178 Need for new generation of aquatic entomologists, 178 References, 179

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