Troutnut.com Fly Fishing for Trout Home
User Password
or register.
Scientific name search:

> > Which aquatic insects are most vulnerable to pollution???

ByhaughAugust 13th, 2014, 5:28 pm
Hawaii

Posts: 56
Stoneflies?
Mayflies?
Or Caddisflies
PaulRobertsAugust 13th, 2014, 7:55 pm
Colorado

Posts: 1776
Depends on species and type of pollution. There are species within each that are adapted to somewhat reduced oxygen levels (a common result of organic and physical pollution). Of the three, I think there are few if any stoneflies that are adapted to warmer, lower O2 waters.

What is your interest? School project?
CatskilljonAugust 13th, 2014, 10:50 pm
Upstate NY

Posts: 160
If I had to make an assumption based on what I have seen, its stonefly, mayfly and caddis in that order going from cleanest to polluted. There are a few streams in NJ that don't have stoneflies, have a few mayflies but are loaded with caddis, and these are streams running through and around semi-populated housing and business districts.

When I see stonefly shucks on the rocks of a new stream I have never fished...it makes me smile. They are the live canary in the cold mine. CJ
CrepuscularAugust 14th, 2014, 11:27 am
Boiling Springs, PA

Posts: 919
Depends on species and type of pollution. There are species within each that are adapted to somewhat reduced oxygen levels (a common result of organic and physical pollution). Of the three, I think there are few if any stoneflies that are adapted to warmer, lower O2 waters.

What is your interest? School project?


Byhaugh, It's tough to make generalizations about that topic. It's not that simple. Google Hilsenhoff tolerance values and that will get you started. Like Paul pointed out it depends upon what type of pollution you are taking about. For example, some stonefly genera can take a much lower pH than other stoneflies. Depending upon the specific type of pollution, there may be certain genera of a particular insect order present but others will not be there. So the point I suppose I'm trying to make is that to generalize on the order level of classification may not really be that meaningful.
LastchanceAugust 14th, 2014, 5:12 pm
Portage, PA

Posts: 437
sulfurs

Quick Reply

You have to be logged in to post on the forum. It's this easy:
Username:          Email:

Password:    Confirm Password:

I am at least 13 years old and agree to the rules.

Related Discussions

TitleRepliesLast Reply
Re: Caddis sedge
In Fly Tying by FredH
5Sep 1, 2012
by Entoman
Re: Crane flies, a real eye opener
In General Discussion by Lam
6Oct 20, 2007
by Jmd123
Re: Hatching of Early Black Stoneflies
In General Discussion by Zugbuggin
1Mar 9, 2012
by Wiflyfisher
Re: Question
In the Stonefly Species Pteronarcys dorsata by Max29
7Jan 30, 2008
by Taxon
Re: Psychomyiidae
In Philopotamidae Caddisfly Larva by Mlajoie
11Mar 20, 2012
by Entoman
Re: stoneflies
In Pteronarcys dorsata Stonefly Nymph by Blackghost
1May 4, 2009
by Martinlf
Re: Driving Home from Ithaca
In Fishing Reports by Willy
2Jun 19, 2007
by Martinlf
Re: Calineuria californica and Hesperoperla pacifica
(3 more)

In the Photography Board by Millcreek
1Jan 30, 2016
by Martinlf
Re: Early morning fishing, behavioral drift?
In General Discussion by Roguerat
11May 28, 2018
by Roguerat
Re: Acroneuria (carolinensis?)
In Female Acroneuria lycorias Stonefly Adult by GONZO
6Mar 19, 2012
by Entoman
Most Recent Posts
Re: Fly fishing etiquette
In General Discussion by Red_green_h (Jmd123 replied)
Re: Site updates from September 8, 2019
In Site Updates by Troutnut (RleeP replied)
Re: Looking for advice
In Fly Tying by OldHasBeen
Re: Site updates from September 13, 2019
In Site Updates by Troutnut (Martinlf replied)
Re: Site updates from September 11, 2019
In Site Updates by Troutnut (Martinlf replied)
Re: Site updates from September 10, 2019
In Site Updates by Troutnut (Martinlf replied)
Re: Ice dub versus sparkle dub
In Fly Tying by Brian314
Site updates from September 4, 2019
In Site Updates by Troutnut
Re: Ophiogomphus occidentis
In the Identify This! Board by Millcreek (Troutnut replied)
Re: Summer to fall - What's happened to the fishing :)
In General Discussion by TDMunro (Partsman replied)