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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Sunlight perfectly strikes the trees at a bend in the Foss River in the Washington Cascades. From the Foss River in Washington

Stream photos

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
10 Recently Added Photos
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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  2. Specimen Discussion, Page 6

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  2. Specimen Discussion, Page 6

You can create new topics in this section from each specimen's page in the insects section.
Topic
Replies
Last Reply
Not invaria
May 24, 2009 by GONZO in Male Eurylophella minimella Mayfly Spinner
2
May 24, 2009
by GONZO
Dark Sulphur
Aug 17, 2007 by Martinlf in Male Ephemerella excrucians Mayfly Dun
10
May 24, 2009
by Wiflyfisher
Hydropsychid?
May 19, 2007 by GONZO in Hydropsyche Caddisfly Pupa
14
May 7, 2009
by LittleJ
Emergence
May 7, 2009 by Martinlf in Brachycentrus appalachia Caddisfly Adult
0
Stonefly, very dark but what else can I find out?
May 5, 2009 by IanB in Isoperla Stonefly Adult
1
May 5, 2009
by GONZO
stoneflies
May 1, 2009 by Blackghost in Pteronarcys dorsata Stonefly Nymph
1
May 4, 2009
by Martinlf
Probably E. fragilis, but...
Apr 8, 2009 by GONZO in Female Epeorus frisoni Mayfly Dun
1
Apr 8, 2009
by Troutnut
Paragnetina (female)
Apr 8, 2009 by GONZO in Female Paragnetina Stonefly Adult
0
BQ Nymph
Apr 4, 2009 by Martinlf in Neoleptophlebia Mayfly Nymph
0
Stenochironomus poecilopterus
Apr 1, 2009 by GONZO in Stenochironomus poecilopterus Midge Adult
7
Apr 1, 2009
by Troutnut
Agnetina capitata
Mar 28, 2009 by DOS in Male Agnetina capitata Stonefly Adult
6
Mar 29, 2009
by GONZO
wtf
Sep 6, 2006 by Trouthater in Amphipoda Arthropod Adult
3
Mar 19, 2009
by Sandfly
Little White-winged Black
Mar 14, 2009 by Jack_k in Female Tricorythodes Mayfly Spinner
1
Mar 15, 2009
by Martinlf
Hellgrammite Video
Mar 11, 2009 by DOS in Corydalus Hellgrammite Larva
1
Mar 11, 2009
by DOS
midwest as well?
Mar 6, 2009 by ReAlizm in Amphipoda Arthropod Adult
1
Mar 6, 2009
by CharlieSawd
One of several new specimens today
Apr 2, 2007 by Troutnut in Psilotreta labida Caddisfly Larva
3
Feb 12, 2009
by Creno
Anybody know the genus and species?
Jul 7, 2006 by Troutnut in Isogenoides hansoni Stonefly Nymph
8
Feb 12, 2009
by Troutnut
What genus is this Heptageniid?
Jun 8, 2007 by Troutnut in Female Rhithrogena Mayfly Spinner
4
Feb 1, 2009
by Taxon
need a good pattern
May 19, 2008 by Anttam in Male Ephemerella invaria Mayfly Dun
1
Jan 7, 2009
by Phishheaduj
Blue Wing Yellows
Dec 18, 2008 by Martinlf in Female Baetis Mayfly Dun
6
Dec 19, 2008
by Martinlf
Stumped!
Jul 19, 2007 by GONZO in Male Ephemerella needhami Mayfly Dun
8
Dec 4, 2008
by Beardius
Ryacophila on spring?
Nov 4, 2008 by LittleJ in Rhyacophila fuscula Caddisfly Larva
8
Nov 8, 2008
by LittleJ
Baetid
Oct 28, 2008 by GONZO in Female Baetidae Mayfly Dun
1
Oct 29, 2008
by Troutnut
Another vitreus
Oct 28, 2008 by GONZO in Female Epeorus vitreus Mayfly Spinner
0
Maccaffertium
Oct 28, 2008 by GONZO in Female Stenonema modestum Mayfly Spinner
0
Maccaffertium
Oct 28, 2008 by GONZO in Male Stenonema modestum Mayfly Spinner
0
Another vitreus
Oct 28, 2008 by GONZO in Female Epeorus vitreus Mayfly Spinner
0
Thoughts on this Heptageniid's ID?
Jul 2, 2006 by Troutnut in Male Epeorus vitreus Mayfly Dun
1
Oct 28, 2008
by GONZO
Another vitreus
Oct 28, 2008 by GONZO in Female Epeorus vitreus Mayfly Spinner
0
Probably another E. vitreus
Oct 28, 2008 by GONZO in Male Epeorus vitreus Mayfly Spinner
0
Correction
Oct 28, 2008 by GONZO in Pteronarcys proteus Stonefly Nymph
0
proteus, biloba, and comstocki
Aug 1, 2008 by Beardius in Pteronarcys biloba Stonefly Nymph
1
Oct 28, 2008
by GONZO
Probably Acroneuria lycorias
Oct 10, 2006 by GONZO in Acroneuria abnormis Stonefly Nymph
1
Oct 28, 2008
by GONZO
Drunella "lata" recently revised.
Oct 25, 2008 by Dsc1 in Drunella cornuta Mayfly Nymph
2
Oct 26, 2008
by Troutnut
size/colour
Oct 16, 2008 by Forell in Female Baetis Mayfly Dun
0
Ontario Sallfly
Sep 9, 2008 by GONZO in Sweltsa onkos Stonefly Adult
0
Probably Perlesta
Sep 9, 2008 by GONZO in Female Perlesta Stonefly Adult
0
Chloroperlidae
Jun 12, 2008 by Teamrenna in Isoperla Stonefly Adult
3
Sep 9, 2008
by GONZO
Nice pictures of accompanying Epoicocladius sp. larvae
Aug 1, 2008 by Beardius in Ephemera simulans Mayfly Nymph
3
Aug 8, 2008
by Beardius
This is not Ephemera simulans
Aug 1, 2008 by Beardius in Hexagenia limbata Mayfly Nymph
1
Aug 1, 2008
by Troutnut
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