Family Key photo slideshow

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StreamWatch Family ID Slideshow

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Transcript of Family Key photo slideshow

Page 1: Family Key photo slideshow

StreamWatch

Family ID Slideshow

Page 2: Family Key photo slideshow

Key to select mayfly larvae

http://bugguide.net/node/view/74567/bgimage

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Mayfly Larvae Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p. 37

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1A. Head flattened dorsoventrally, eyes and antennae dorsal …

Flathead (Heptageniidae)

http://www.dfg.ca.gov/abl/images2/ironodes_head.png

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1A. Flathead (Heptageniidae)

http://www.pbase.com/tmurray74/image/61450222

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1B. Head not flattened, eyes and antennae lateral……………..2

1B. Head not flattened, eyes and antennae lateral … 2

1C. Unclear if head is flattened … preserve

http://www.troutnut.com/specimen/694

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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

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2A. Brushlegged (Isonychiidae)

http://www.pbase.com/tmurray74/image/114911612

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2B. Prothoracic legs without setae … 3

2C. Unclear if prothoracic legs have setae … preserve

http://bugguide.net/node/view/49022/bgimage

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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

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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

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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

10909718

http://www.pbase.com/tmurray74/i

mage/59402763

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4B. Gills round, oval or heart-shaped – not forked … 5

4C. Gill shape is unclear … preserve

http://www.troutnut.com/specimen/718

http://bugguide.net/node/view/266381/bgimage

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5A. Gills present on abdominal segments 1 – 3 … preserve

1

2

3

1

2

3

http://www.troutnut.com/specimen/718

http://bugguide.net/node/view/279026/bgimage

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5B. Gills absent from abdominal segment 2, rudimentary or

absent from segment 1 and sometimes absent from segment 3 …

Spiny Crawler (Ephemerellidae)

3

5

6

4

http://bugguide.net/node/view/259874

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5B. Spiny Crawler (Ephemerellidae)

http://bugguide.net/node/view/259877/bgimage

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5C. Gills are operculate, or unclear if gills are present on

segments 1-3 … preserve

http://www.entomology.umn.edu/midge/VSMIVP%2

0Key/English/Caenidae.htm

http://www.dfg.ca.gov/abl/images2/Tri

corythodes_gills2.png

http://www.troutnut.com/specimen/568 http://www.dfg.ca.gov/abl/images2/Tricorythodes_newhabitus2.png

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Key to select dragonfly larvae

http://www.pbase.com/tmurray74/image/111213357

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Dragonfly Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p.66

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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.htmhttp://bugguide.net/node/view/263809/bgimage

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1A. Clubtail (Gomphidae)

http://bugguide.net/node/view/263808/bgimage

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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

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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%

20Key/English/Aeshnidae.htmhttp://www.pbase.com/tmurray74/image/109642026

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2A. Darner (Aeshnidae)

http://www.pbase.com/tmurray74/image/109642026

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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

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Key to select damselfly larvae

http://bugguide.net/node/view/260089/bgimage

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Damselfly Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p. 65

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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

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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

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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

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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

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Key to select stonefly larvae

http://www.troutnut.com/specimen/487

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Stonefly Larvae Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p. 78

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1A. Filamentous or Telescoping gills present on sides of thorax

and/or ventral thorax … 2

http://www.troutnut.com/specimen/350

http://www.entomology.umn.edu/midge/VSMIVP

%20Key/English/Perlidae.htm

http://www.entomology.umn.edu/midge/VSMIVP%20

Key/English/Pteronarcyidae.htm

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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

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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

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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/350http://www.troutnut.com/specimen/350

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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

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3B. Filamentous gills absent from abdomen … Common

(Perlidae)

http://www.troutnut.com/specimen/767 http://www.troutnut.com/specimen/767

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3C. Unclear if gills are present on ventral thorax and/or abdomen

… preserve

http://www.troutnut.com/specimen/488

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Key to select caddisfly larvae

http://www.pbase.com/tmurray74/image/95399019

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Caddisfly Larvae Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p.38

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1A. Caddisfly in a case … 2

http://www.pbase.com/tmurray74/image/110473352

Rose Brown photo

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1B. Caddisfly not in a case … 3

http://www.troutnut.com/specimen/720

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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

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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

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2C. Case is unlike above, or difficult to see … preserve

http://www.pbase.com/tmurray74/image/111399160

http://www.pbase.com/tmurray74/image/109997968

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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

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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

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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

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Key to select beetles

http://www.dfg.ca.gov/abl/images2/ptilodactylidae_adult_habitus.png

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Adult Beetle Morphology

Guide to Aquatic Invertebrates of the Upper Midwest, p. 39

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1A. Adult beetle … 2

http://bugguide.net/node/view/163435/bgimage

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1B. Larval beetle … 3

1C. Unclear if beetle is adult or larval … preserve

http://www.pbase.com/tmurray74/image/114344092

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2A. Beetle has slender and long antennae, which are longer than

head … Riffle (Elmidae)

http://www.pbase.com/tmurray74/image/114324576

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2B. Beetle has short, thick antennae which are sometimes not

visible … Long Toed (Dryopid)

http://bugguide.net/node/view/171214

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2C. Antennae are unclear, possibility of broken antennae …

preserve

http://www.dfg.ca.gov/abl/images2/helichus_adult_dors

al.pnghttp://www.pbase.com/tmurray74/image/114807295

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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

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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

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3C. Larva is not like above … preserve

http://www.pbase.com/tmurray74/image/111183241

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Crane Fly larva and True Fly pupae

http://ecology.hku.hk/jupas/Hexatoma%20sp.jpg

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Crane Fly Larva

http://www.pbase.com/tmurray74/image/110921303

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Midge pupa

http://www.thechronicflyfisher.com/chironomid.JPG

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Black Fly pupa

http://www.nwnature.net/macros/efl_2008/april/images/P1130653.jpg