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Introduction and Organization
Identifying Aquatic Insects
Living in Water
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abdomen abdominal segment ADULT DIAGNOSIS Fig Amer anal antennae aquatic insects areas Baetidae Baetis BEETLES Family body breathing tube burrowing caddisflies Canada Ceratopogonidae Chapter Chironomidae claws common commonly damselflies developed Diptera DISCUSSION dobsonflies dorsal dragonflies eastern eggs elongate emergent vegetation end of abdomen Entomol environments Epeorus Ephemerella Ephemeridae Ephydridae excluding tails feed Figure filaments fishing FLIES Family fore legs fore wings forms freshwater genera genus gills group is widespread habitats hairs head Hemiptera Heptageniidae Hexagenia hind legs known labium lakes larvae Larvae Fig LARVAL DIAGNOSIS Figs Leptophlebiidae margin mayflies midges mouthparts North America nymph occur Odonata oviposit pair plant Plate Plecoptera ponds possess posterior predaceous prolegs pronotum pupae pupal Quill semiaquatic shore Skimmers sometimes species Spinner Stenonema stoneflies streams and rivers SUBFAMILY subimago substrate surface swimming terminal terrestrial thoracic segment thorax Trichoptera trout usually ventral water beetles water bugs widespread in North wing pads