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(All photos by Bob Henricks unless otherwise noted.)
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Small Minnow Mayfly
Small Minnow Mayfly, lateral view
Brushlegged Mayfly
Brushlegged Mayfly, dorsal view (note hairy forelegs and meshed hair in tails)
Ameletid Mayfly
Ameletid mayfly, dorsal view
Flatheaded Mayfly
Flatheaded Mayfly, genus Epeorus (note two tails, not three)
Spiny Crawler Mayfly
Spiny Crawler gills
Spiny Crawler Mayfly, genus Drunella (note “muscular forearms”)
Little Stout Crawler, note triangular operculate gills
Small Squaregill Mayfly (note square operculate gills)
Pronggilled Mayfly
Common Burrower Mayfly
Armored Mayfly
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Common Stonefly, genus Paragnetina
Common Stonefly, genus Eccoptura
Common Stonefly, lateral gills (“hairy armpits”)
Perlodid Stonefly
Large Winter Stonefly, genus Taeniopteryx
Large Winter Stonefly, genus Strophopteryx
Small Winter Stonefly
Small Winter Stonefly, distinctive wingpads
Giant Stonefly
Giant Stonefly, thoracic gills
Green Stonefly
Nemourid Stonefly, note cervical gills
Roach-like Stonefly
Rolled-winged Stonefly
Rolled-winged Stonefly, photo by Rose Brown
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Freeliving Caddisfly
Fingernet Caddisfly
Trumpetnet Caddisfly
Common Netspinner
Common Netspinner Pupa
Saddlecase Maker Caddisfly
Saddlecase Maker, out of case
Uenoid Caddisfly
Uenoid Caddisfly, out of case
Strong Casemaker Caddisfly
Micro Caddisfly
Lepidostomatid Caddisfly
Lepidostomatid Caddisfly, out of case
Humpless Caddis, Case Type A
Humpless Caddisfly, Case Type B
Humpless Caddisfly, Case Type C
Giant Casemaker Caddisfly (live), photo by Rose Brown
Giant Casemaker Caddisfly, preserved
Giant Casemaker Caddisfly, head (note abdominal gills)
Northern Casemaker, Case Type A
Northern Casemaker, out of case
Northern Casemaker, Case Type B
Northern Casemaker, Case Type C
Longhorned Casemaker, Case Type A
Longhorned Casemaker, Case Type B
Longhorned Caddisfly, out of case
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Clubtail Dragonfly
Darner Dragonfly
Darner Dragonfly, labrum (ventral view)
Spiked-Tail Dragonfly
Emerald Dragonfly (Skimmer)
Broadwinged Damselfly (live), photo by Rose Brown
Broadwinged Damselfly (preserved)
Narrowwinged Damselfly
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Hellgrammite (live)
Baby Hellgrammite
Alderfly
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Water Penny, dorsal view
Water Penny, ventral view
Long-toed Beetle (Dryopid) adult
Riffle Beetle, adult
Riffle Beetle larva (note operculum)
Ptilodactylidae larva (note: no operculum, gills exposed)
Water Scavenger Beetle, Type A
Water Scavenger Beetle, Type B
Predaceous Diving Beetle
Whirligig Beetle
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Midge (note front and back prolegs)
Midge pupa
Hatching Midge
Dixid Midge
Netwinged Midges, dorsal and ventral views
Biting Midge, Type A
Biting Midge, head (no prolegs)
Biting Midge, Type B
Black Fly
Black Fly head, dorsal view
Black Fly pupa
Dance Fly
Horse/Deer Fly larva
Primitive Crane Fly
Crane Fly
Soldier Fly, photo by Rose Brown
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Pyralid Moth
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Crayfish in tray, photo by Rose Brown
Scud
Sowbug, side view
Sowbug, dorsal view
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Snails (Hydrobiid, Physid, Pleurocerid)
Physid snail (lunged)
Planorbid snail (lunged)
Hydrobiid snails (gilled)
Pleurocerid snail (gilled)
Asian clam