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

> > Acroneuria specimen moved from genus to species level



The Specimen

The Discussion

EntomanMarch 11th, 2012, 8:14 am
Northern CA & ID

Posts: 2604
The head markings better match up with A. carolinensis (pronounced unbroken W, thick tapering occipital band). Another clue is the femora maculation. A. abnormis usually has either dark brown legs without obvious maculation or longitudinal dark stripes as opposed to the pale bands or blotches evidenced on this specimen. While a dark dorsal habitus is usually associated with abnormis, it is not a very dependable character. The other common species (lycorias) has head and leg markings that can look quite similar, but it has anal gills and usually a pale center with dark margins on the terga.

A. carolinensis
http://bugguide.net/node/view/515177

A. abnormis
http://www.troutnut.com/specimen/446
"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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: Which species is this?
In Acroneuria abnormis Stonefly Nymph by Troutnut
4Mar 11, 2012
by Entoman
Moved to Acroneuria lycorias
In Acroneuria lycorias Stonefly Nymph by Entoman
0
Re: Acroneuria (carolinensis?)
In Female Acroneuria lycorias Stonefly Adult by GONZO
6Mar 19, 2012
by Entoman
Ecdyonurus nymphs
In Ecdyonurus criddlei Mayfly Nymph by Jmw975
0
Re: Big Spinner
In the Identify This! Board by Al514
3Jun 18, 2007
by Konchu
I. hansoni
In Isogenoides hansoni Stonefly Nymph by GONZO
0
Re: Perlid identification assistance request
In the Identify This! Board by Tsali
9Jun 17, 2015
by Oldredbarn
Re: Paraleptophlebia helena
(1 more)

In the Photography Board by Millcreek
13Aug 31, 2014
by Millcreek
Re: Hate to do this again....
In Acroneuria abnormis Stonefly Nymph by PeterO
5Oct 1, 2010
by GONZO
Moved to Agnetina capitata
In Agnetina capitata Stonefly Nymph by Entoman
0