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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.

Inlet of Upper Titcomb Lake From Titcomb Basin in Wyoming

Stream photos

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Amphizoa Beetle LarvaAmphizoa Beetle Larva
Dorsal view of a Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
5 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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Troutnut.com User Millcreek (Mark Melton)

Troutnut.com User Millcreek (Mark Melton)

Real Name
Mark Melton
Location
Healdsburg, CA
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"If we knew what it was we were doing, it would not be called research, would it?"
-Albert Einstein

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Latest Posts By Millcreek

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Re: Baetis bicaudatus
In Male Baetis tricaudatus Mayfly Spinner by Taxon
12
Nov 12, 2020
by Millcreek
Re: Ephemerella tibialis
In Male Serratella micheneri Mayfly Nymph by Millcreek
2
Dec 26, 2019
by Millcreek
Re: Puzzled on this mayfly, not even confident on family
In Male Rhithrogena hageni Mayfly Spinner by Troutnut
1
Jul 23, 2019
by Millcreek
Re: Hesperoperla or Calineuria
In Male Calineuria californica Stonefly Adult by Millcreek
2
Jul 22, 2019
by Millcreek
Neoleptophlebia
In Neoleptophlebia Mayfly Nymph by Millcreek
0
Jul 19, 2019
by Millcreek
Neoleptoptphlebia
In Neoleptophlebia Mayfly Nymph by Millcreek
0
Jul 19, 2019
by Millcreek
Neoleptophlebia
In Neoleptophlebia Mayfly Nymph by Millcreek
0
Jul 19, 2019
by Millcreek
Hesperoperla pacifica
In Hesperoperla pacifica Stonefly Nymph by Millcreek
0
Jul 19, 2019
by Millcreek
Re: Lake Invertebrate ID help
In the Identify This! Board by ADKbrookie
5
Apr 23, 2018
by Millcreek
Isoperla marmorata and Taenionema pacificum Isoperla marmorata Isoperla marmorata Taenionema pacificum Taenionema pacificum
In the Identify This! Board by Millcreek
0
Feb 21, 2018
by Millcreek
Re: Mayfiles other than Callibaetis
In the Mayfly Genus Callibaetis by Royal_Coach
1
Jan 15, 2018
by Millcreek
Re: I think I know, but want verification
In the Identify This! Board by Byhaugh
3
Jul 13, 2017
by Millcreek
Suwallia sp.
In the Photography Board by Millcreek
0
Jun 9, 2017
by Millcreek
Re: Kogotus / Rickera and Isoperla mormona pictures
In the Photography Board by Millcreek
4
May 11, 2017
by Millcreek
Re: Dytiscidae sp.
In the Identify This! Board by Millcreek
2
Jul 19, 2016
by Millcreek
Re: Pteronarcys californica nymph Taken from Russian River. Dec. 24th, 2015. 25 mm. Taken from Russian River. Dec. 24th, 2015. 25 mm. Taken from Russian River. June 17, 2013. 30 mm. Taken from Russian River. June 17, 2013. 30 mm.
In the Photography Board by Millcreek
2
Jun 14, 2016
by Millcreek
Re: Cool grayling spawning video
In General Discussion by Troutnut
1
Apr 28, 2016
by Millcreek
Paraleptophlebia sp.
+ 2
Male (upper portion) and female (lower portion) Female Female Male Female and male
In the Photography Board by Millcreek
0
Apr 6, 2016
by Millcreek
Re: Mayfly swarm
In General Discussion by Millcreek
8
Apr 5, 2016
by Millcreek
Re: Fallceon species mating
In General Discussion by Millcreek
7
Dec 1, 2015
by Millcreek
Re: Marilia cases and pupae Cases about 9 mm. Pupae about 7-8 mm.
In the Identify This! Board by Millcreek
3
Nov 24, 2015
by Millcreek
Re: Water striders
In General Discussion by Namfos
1
Nov 19, 2015
by Millcreek
Re: Rhyacophila spp. Rhyacophila hyalinata group. 12 mm. Rhyacophila betteni group. 13 mm. Rhyacophila betteni group. 14 mm. Rhyacophila betteni group. 14 mm.
In the Identify This! Board by Millcreek
2
Oct 24, 2015
by Millcreek
Paracloeodes minutus Labium Male 3.5 mm, excluding cerci. Female 4mm, excluding cerci. Male 3.5 mm, excluding cerci.
In the Photography Board by Millcreek
0
Sep 17, 2015
by Millcreek
Re: Pterophoridae to identify
In the Identify This! Board by Pilonm
1
Aug 30, 2015
by Millcreek
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