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Family Key photo slideshow Family Key photo slideshow Presentation Transcript

  • StreamWatch Family ID Slideshow
  • Key to select mayfly larvae http://bugguide.net/node/view/74567/bgimage
  • Mayfly Larvae Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p. 37
  • 1A. Head flattened dorsoventrally, eyes and antennae dorsal … Flathead (Heptageniidae) http://www.dfg.ca.gov/abl/images2/ironodes_head.png
  • 1A. Flathead (Heptageniidae) http://www.pbase.com/tmurray74/image/61450222
  • 1B. Head not flattened, eyes and antennae lateral … 2 1C. Unclear if head is flattened … preserve http://www.troutnut.com/specimen/694
  • 2A. Prothoracic legs (first set of legs) with a dense row of setae (hair) along inner surface … Brushlegged (Isonychiidae) http://www.entomology.umn.edu/midge/VSMIVP%20K ey/English/Isonychiidae.htm http://www.pbase.com/tmurray74/image/114911606
  • 2A. Brushlegged (Isonychiidae) http://www.pbase.com/tmurray74/image/114911612
  • 2B. Prothoracic legs without setae … 3 2C. Unclear if prothoracic legs have setae … preserve http://bugguide.net/node/view/49022/bgimage
  • 3A. Median caudal filament (Middle tail) reduced or lacking …Small Minnow (Baetidae) http://www.pbase.com/tmurray74/image/110648170 http://www.pbase.com/tmurray74/image/114367511
  • 3B. Median caudal filament well developed … 4 3C. Unclear if median caudal filament is present, possibility of broken tail … preserve http://www.troutnut.com/specimen/443
  • 4A. Gills pronged, forked, or consisting of a slender filament … Prong-gilled (Leptophlebiidae) http://www.entomology.umn.edu/mi dge/VSMIVP%20Key/English/Lepto phlebiidae.htm http://www.pbase.com/tmurray74/image/1 http://www.pbase.com/tmurray74/i 10909718 mage/59402763
  • 4B. Gills round, oval or heart-shaped – not forked … 5 4C. Gill shape is unclear … preserve http://bugguide.net/node/view/266381/bgimage http://www.troutnut.com/specimen/718
  • 5A. Gills present on abdominal segments 1 – 3 … preserve 1 2 3 http://bugguide.net/node/view/279026/bgimage http://www.troutnut.com/specimen/718
  • 5B. Gills absent from abdominal segment 2, rudimentary or absent from segment 1 and sometimes absent from segment 3 … Spiny Crawler (Ephemerellidae) 3 4 5 6 http://bugguide.net/node/view/259874
  • 5B. Spiny Crawler (Ephemerellidae) http://bugguide.net/node/view/259877/bgimage
  • 5C. Gills are operculate, or unclear if gills are present on segments 1-3 … preserve http://www.entomology.umn.edu/midge/VSMIVP%2 http://www.dfg.ca.gov/abl/images2/Tri 0Key/English/Caenidae.htm corythodes_gills2.png http://www.troutnut.com/specimen/568 http://www.dfg.ca.gov/abl/images2/Tricorythodes_newhabitus2.png
  • Key to select dragonfly larvae http://www.pbase.com/tmurray74/image/111213357
  • Dragonfly Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p.66
  • 1A. Third segment of antenna is much larger and possibly a different shape than the other sements (4th segment is small and barely visible) … Clubtail (Gomphidae) http://www.entomology.umn.edu/midge/VSMIVP%20Key /English/Gomphidae.htm http://bugguide.net/node/view/263809/bgimage
  • 1A. Clubtail (Gomphidae) http://bugguide.net/node/view/263808/bgimage
  • 1B. Third segment of antenna not larger than other segments … 2 1C. Unclear if 3rd segment is larger … preserve http://bugguide.net/node/view/255141/bgimage
  • 2A. Prementum (lower lip) flat when viewed from the side. When viewed ventrally, prementum is widest in distal half but not parallel sided … Darner (Aeshnidae) http://www.entomology.umn.edu/midge/VSMIVP% http://www.pbase.com/tmurray74/image/109642026 20Key/English/Aeshnidae.htm
  • 2A. Darner (Aeshnidae) http://www.pbase.com/tmurray74/image/109642026
  • 2B. Prementum spoon/scoop shaped when viewed from the side … preserve 2C. Unclear if prementum is flat or spoon shaped … preserve http://www.entomology.umn.edu/midge/VSMIVP%20Key/English/Cordulegastridae.htm
  • Key to select damselfly larvae http://bugguide.net/node/view/260089/bgimage
  • Damselfly Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p. 65
  • 1A. First segment of antenna is as long as, or longer than, remaining segments combined … Broadwinged (Calopterygidae) http://www.entomology.umn.ed u/midge/VSMIVP%20Key/Engli sh/Calopterygidae.htm Rose Brown photo: Rivanna at Milton
  • 1B. First segment of antenna is shorter than others combined … 2 1C. Unclear if first segments of antennae are long … preserve http://www.dfg.ca.gov/abl/images2/archilestes_head.png
  • 2A. Basal half of prementum greatly narrowed and elongate … Spreadwinged (Lestidae) http://www.entomology.umn.edu/m idge/VSMIVP%20Key/English/Lesti dae.htm http://www.pbase.com/tmurray74/image/95281414
  • 2B. Basal half of prementum not greatly narrowed … Narrowwinged(Coenagrionidae) 2C. Unclear if prementum is narrowed … preserve http://www.entomology.umn.edu/mi dge/VSMIVP%20Key/English/Coen agrionidae.htm http://bugguide.net/node/view/255064/bgimage
  • Key to select stonefly larvae http://www.troutnut.com/specimen/487
  • Stonefly Larvae Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p. 78
  • 1A. Filamentous or Telescoping gills present on sides of thorax and/or ventral thorax … 2 http://www.entomology.umn.edu/midge/VSMIVP %20Key/English/Perlidae.htm http://www.entomology.umn.edu/midge/VSMIVP%20 http://www.troutnut.com/specimen/350 Key/English/Pteronarcyidae.htm
  • 1B. Filamentous gills present only on ventral cervix (neck) … Nemourid (Nemouridae) 1C. Unclear if gills are present … preserve www.aquatax.ca/plecoptera/Nemouri daeGills.jpg http://www.pbase.com/tmurray74/image/110935526
  • 2A. Conspicuous filamentous gills present on sides of thorax and/or ventral thorax … 3 http://www.entomology.umn.edu/midge/VSMIVP% 20Key/English/Perlidae.htm http://www.entomology.umn.edu/midge/VSMIVP%20Key/E nglish/Pteronarcyidae.htm
  • 2B. One telescoping gill present at base of each leg … Large Winter(Taeniopterygidae) 2C. Unclear if gills are present … preserve http://www.troutnut.com/specimen/350 http://www.troutnut.com/specimen/350
  • 3A. Filamentous gills present on ventral abdominal segments 1 and 2 … Giant (Pteronarcyidae) http://www.troutnut.com/specimen/334 http://www.troutnut.com/specimen/334
  • 3B. Filamentous gills absent from abdomen … Common (Perlidae) http://www.troutnut.com/specimen/767 http://www.troutnut.com/specimen/767
  • 3C. Unclear if gills are present on ventral thorax and/or abdomen … preserve http://www.troutnut.com/specimen/488
  • Key to select caddisfly larvae http://www.pbase.com/tmurray74/image/95399019
  • Caddisfly Larvae Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p.38
  • 1A. Caddisfly in a case … 2 http://www.pbase.com/tmurray74/image/110473352 Rose Brown photo
  • 1B. Caddisfly not in a case … 3 http://www.troutnut.com/specimen/720
  • 2A. Case is a dome of small rock particles that completely covers larva in dorsal (top) view. On the ventral (under) side, there is a strap of smaller rock particles. The larva hangs over the strap, with head and thorax on one side and the end of the abdomen on the other side (both ends of larva are visible) … Saddle Case Maker (Glossosomatidae) http://www.dfg.ca.gov/ABL/images2/anagapetus_case.png http://www.dfg.ca.gov/abl/images2/gloscas1.png
  • 2B. Case is very small, composed of fine sand or silt. Case is constructed with two similar halves and compressed from side to side, resembling a purse … Micro Caddisfly (Hydroptilidae) http://watermonitoring.uwex.edu/images/level1/ wav/ecology/Hydroptilidae.jpg http://www.dfg.ca.gov/abl/images2/hydroptila_habitus_ withcase.png
  • 2C. Case is unlike above, or difficult to see … preserve http://www.pbase.com/tmurray74/image/111399160 http://www.pbase.com/tmurray74/image/109997968
  • 3A. Larva is bright yellow-orange. The tops of the second and third thoracic segments are soft and fleshy, without hardened plates … Fingernet (Philopotamidae) http://www.pbase.com/tmurray74/image/111032573
  • 3B. Larva is bright green and has long abdomen with deep constrictions at each segment (best seen in top view). The tops of the second and third thoracic segments are soft and fleshy, without hardened plates. No filamentous gills on abdomen … Freeliving (Rhyacophilidae) http://www.pbase.com/tmurray74/image/110921297
  • 3C. Larva is not bright yellow-orange or green, or color and shape are unclear … preserve http://www.pbase.com/tmurray74/image/110921300 http://www.pbase.com/tmurray74/image/109167612
  • Key to select beetles http://www.dfg.ca.gov/abl/images2/ptilodactylidae_adult_habitus.png
  • Adult Beetle Morphology Guide to Aquatic Inverteb rates of the Upper Midwest, p. 39
  • 1A. Adult beetle … 2 http://bugguide.net/node/view/163435/bgimage
  • 1B. Larval beetle … 3 1C. Unclear if beetle is adult or larval … preserve http://www.pbase.com/tmurray74/image/114344092
  • 2A. Beetle has slender and long antennae, which are longer than head … Riffle (Elmidae) http://www.pbase.com/tmurray74/image/114324576
  • 2B. Beetle has short, thick antennae which are sometimes not visible … Long Toed (Dryopid) http://bugguide.net/node/view/171214
  • 2C. Antennae are unclear, possibility of broken antennae … preserve http://www.dfg.ca.gov/abl/images2/helichus_adult_dors http://www.pbase.com/tmurray74/image/114807295 al.png
  • 3A. Larval body is elongate, cylindrical and sclerotized (hardened). Abdominal segment 9 with a tuft of filamentous gills and a hard, moveable ventral operculum … Riffle (Elmidae) http://www.dfg.ca.gov/abl/images2/zaitzevia_habitus.png http://www.dfg.ca.gov/abl/images2/microcylloepus_operc ulum.png
  • 3B. Larval body is elongate, cylindrical and sclerotized. Abdominal segment 9 with a tuft of filamentous gills, and no ventral operculum … (Ptilodactylidae) http://www.dfg.ca.gov/abl/images2/ptilodactylidae_larva_habit us2.png http://www.dfg.ca.gov/abl/images2/ptilodactyl idae_larva_gills.png
  • 3C. Larva is not like above … preserve http://www.pbase.com/tmurray74/image/111183241
  • Crane Fly larva and True Fly pupae http://ecology.hku.hk/jupas/Hexatoma%20sp.jpg
  • Crane Fly Larva http://www.pbase.com/tmurray74/image/110921303
  • Midge pupa http://www.thechronicflyfisher.com/chironomid.JPG
  • Black Fly pupa http://www.nwnature.net/macros/efl_2008/april/images/P1130653.jpg