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True Flies
(Phylum Arthropoda, Class Insecta, Order Diptera) |
Instructions: For a larger view of the specimens below, click on an image. The enlarged image will appear on your screen in a new window. Close this new window when you are through viewing it. See note below regarding identification of macros. Further information on the identification and ecology of aquatic macroinvertebrates can be found from the materials mentioned on the Macro Resources Page. |
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Midge larvae (Family Chironomidae)
Tolerance: tolerant |
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64.jpg
East Fork Lewis River
Lewisville Park
Fall 2003
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ef_f04/82.jpg
(4 mm)
East Fork Lewis River
Lewisville Park
Nov. 19, 2004
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harmony-290.jpg
Harmony Dr.
Longview, WA
July 2006
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140.jpg
(8 mm)
Salmon Creek
Hockinson, WA
May 2004
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efl4-03-05_38.jpg
(6 mm)
East Fork Lewis River
Lewisville Park
April 2005
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| Midge pupa |
ef_f04/23.jpg
East Fork Lewis River
Lewisville Park
Sep. 29, 2004
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harmony-292.jpg
Harmony Dr.
Longview, WA
July 2006
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Biting Midge larva (Family Ceratopogonidae)
Tolerance: tolerant |
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Dixid Midge larva (Family Dixidae)
Tolerance: moderate |
tlp5-11-05_18.jpg
(8 mm)
pond
NE 72nd Ave & 192nd St
May 2005 |
 tlp5-11-05_19.jpg
(8 mm)
pond
NE 72nd Ave & 192nd St
May 2005
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Net-winged midge (Family: Blephariceridae)
Tolerance: |
net-winged midge pupa
East Fork Lewis River
Lewisville Park
Clark Co., WA
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net-winged midge pupa
East Fork Lewis River
Lewisville Park
Clark Co., WA |
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Phantom midge (Family: Chaoboridae)
Tolerance: |
phantom midge larva
(side view)
Chaoborus sp.
pond - Clark Co., WA
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phantom midge larva
(top view)
Chaoborus sp.
pond - Clark Co., WA
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Black Fly larva (Family Simuliidae)
Tolerance: tolerant |
172.jpg
East Fork Lewis River
Daybreak Park
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173.jpg
East Fork Lewis River
Daybreak Park
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174.jpg
East Fork Lewis River
Daybreak Park
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ef_f04/64.jpg
(3 mm)
East Fork Lewis River
Lewisville Park
Oct. 5, 2004 |
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| Black Fly pupa |
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up_efl_73.jpg
(3 mm)
East Fork Lewis River
upper watershed
Fall 2005
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black fly pupa
Lewisville Park
Clark Co.
East Fork Lewis River
April 2008 |
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Mosquito larva (Family Culicidae)
Tolerance: tolerant |
192.jpg
East Fork Lewis River
Lewisville Park
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74.jpg
wading pool
Longview, WA
Fall 2004
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75.jpg
wading pool
Longview, WA
Fall 2004 |
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| Mosquito pupa |
77.jpg
wading pool
Longview, WA
Fall 2004
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| Mosquito adult |
78,jpg
wading pool
Longview, WA
Fall 2004 |
79.jpg
wading pool
Longview, WA
Fall 2004 |
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Crane Fly larva (Family Tipulidae)
Tolerance: tolerant |
65.jpg
(12 mm)
East Fork Lewis River
Lewisville Park
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vb_w04/59.jpg
(10 mm)
Salmon Cr. tributary
Venersborg, WA
December 2004
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vb_w04/07a.jpg
(32 mm)
Hexatoma*
Salmon Cr. tributary
Venersborg, WA
December 2004
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up_efl_11.jpg
(5 mm)
East Fork Lewis River
upper watershed
Fall 2005
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up_efl_117.jpg
Dicranota*
(13 mm)
East Fork Lewis River
upper watershed
Fall 2005 |
67.jpg
East Fork Lewis River
Lewisville Park |
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| Crane Fly pupa |
up_efl_124.jpg
Antocha
(6 mm)
East Fork Lewis River
upper watershed
Fall 2005 |
up_efl_65.jpg
Antocha
(7 mm)
East Fork Lewis River
upper watershed
Fall 2005 |
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Phantom Crane Fly larva (Family: Ptychpopteridae)
Tolerance: |
phantom crane fly larva
private stream
Clark Co., WA |
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Aquatic Muscid (Family: Limnophora)
Tolerance: tolerant |
68.jpg
East Fork Lewis River
Lewisville Park |
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Deer Fly/Horse Fly (Family: Tabanidae )
Tolerance: |
deer fly larva
East Fork Lewis River
Lewisville Park
Clark Co., WA
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deer fly larva
East Fork Lewis River
Lewisville Park
Clark Co., WA
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| Note from author: Considerable effort has been made to be as accurate as possible in the identification of the organisms. While I am fairly confident of the ID (at least for the major taxon levels), I cannot guarantee complete accuracy. In particular, you will notice that some organisms are labeled with a (*). This indicates a probable classification based on general traits (shape, size and color) of the organism and location from which it was found. I do not possess the level of expertise nor did I conduct the kind of detailed inspection to provide a conclusive ID -- consider these efforts at classification as my "best guess" based on available information and, in some instance, outside assistance. (If you notice any errors or omissions, please contact me at the email address provided at the bottom of this page.) |
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Back to: Freshwater Macros Index
modified:July 2009
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