
Backswimmer Notonexa species Carnivore Moderate pollution indicator species |
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Backswimmer Notonexa species Carnivore Moderate pollution indicator species |
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Broad-shouldered Water Strider Rhagovelia species Carnivore Moderate pollution indicator species |
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Broad-shouldered Water Strider Rhagovelia species Carnivore Moderate pollution indicator species |

Broad-shouldered Water Strider Rhagovelia species Carnivore Moderate pollution indicator species |

Caddis Fly Larvae Hydropsyche species Moderate pollution indicator species |

Caddisfly Larvae Leptocella sp. Detritivore Clean water species |

Caddisfly Larvae Leptocella sp. Detritivore Clean water species |

Crawling Water Beetle Haliplus species Herbivore Moderate pollution indicator species |

Crawling Water Beetle Peltodytes species Herbivore Moderate pollution indicator species |
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Damselfly Nymph Coenagrionid species Carnivore Polluted water indicator species |

Damselfly Nymph Coenagrionid species Carnivore Polluted water indicator species |

Darner dragonfly nymph Anax junius Carnivore Moderate pollution indicator species |
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Darner dragonfly nymph Anax junius Carnivore Moderate pollution indicator species |

Dragonfly nymph shed skin Anax species Carnivore Moderate pollution indicator species |

Skimmer dragonfly nymph, shed larval skin Carnivore Moderate pollution indicator species |
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Skimmer dragonfly nymph Carnivore Moderate pollution indicator species |

Skimmer dragonfly nymph Carnivore Moderate pollution indicator species |

Very young dragonfly nymph Anax junius Carnivore Moderate pollution indicator species |
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Elongate Springtail Herbivore |
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Elongate Springtail Herbivore |
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Elongate Springtail Herbivore |
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Giant Water Bug Belostoma species Predator Moderate pollution indicator species |

Giant Water Bug Lethoceris uhleri Carnivore Moderate pollution indicator species |

Giant Water Bug Nymph Belostoma species Predator Moderate pollution indicator species |

Long-horned Leaf Beetle Donacia piscatrix Herbivore Moderate pollution indicator species |

Marsh Beetle Larvae Scirtes sp. Herbivore |

Marsh Beetle Larvae Scirtes sp. Herbivore |

Burrowing Mayfly larvae Baetis species Herbivore Mild pollution indicator species |

Crawling Mayfly larvae Caenis species Herbivore Moderate pollution indicator species |

Small Minnow Mayfly larvae Cloeon species Herbivore Mild pollution indicator species |

Small Minnow Mayfly larvae Callibaetis species Herbivore Claen water indicator species |
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Predaceous Diving Beetle Dytiscus species Carnivore Moderate pollution indicator species |

Predaceous Diving Beetle Dytiscus species Carnivore Moderate pollution indicator species |

Predaceous Diving Beetle Hydaticus bimarginatus Carnivore Moderate pollution indicator species |

Predaceous Diving Beetle Laccophilus species Carnivore Polluted water indicator species |

Pygmy Backswimmer Neoplea species Carnivore Moderate pollution indicator species |

Short-legged Water Strider (Water Threader) Mesovelia species Carnivore Moderate pollution indicator species |

Short-legged Water Strider (Water Threader) Mesovelia species Carnivore Moderate pollution indicator species |
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Water Boatmen Sigara species Carnivore Moderate pollution indicator species |
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Water Boatmen Sigara species Carnivore Moderate pollution indicator species |

Water Boatmen Sigara species Carnivore Moderate pollution indicator species |

Water Scavenger Beetle Hydrophilus species Herbivore Moderate pollution indicator species |

Water Scavenger Beetle Hydrophilus species Herbivore Moderate pollution indicator species |
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Water Scorpion Ranatra species Carnivore Moderate pollution indicator species |

Water Scorpion Ranatra species Carnivore Moderate pollution indicator species |

Water Strider Gerris species Carnivore Moderate pollution indicator species |
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Water Strider Gerris species Carnivore Moderate pollution indicator species |
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Water Strider Gerris species Carnivore Moderate pollution indicator species |

Water Strider Gerris species Carnivore Moderate pollution indicator species |

Whirligig Beetles Gyrinus species Carnivore Moderate pollution indicator species |

Whirligig Beetles Gyrinus species Carnivore Moderate pollution indicator species |