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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Stoneflies (Plecoptera) » Perloidea » Common Stoneflies (Perlidae) » Acroneuriinae » Hesperoperla » Golden Stonefly (Hesperoperla pacifica)
Photo#41324
Acroneuria californica - Stonefly - Hesperoperla pacifica
Copyright © 2006 Scott Nelson

Acroneuria californica - Stonefly - Hesperoperla pacifica
Salmon River, Lane County, Oregon, USA
June 21, 2002
Size: 32 mm
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Contributed by Scott Nelson on 21 January, 2006 - 7:32am
Last updated 15 May, 2010 - 7:34am

Moved
Moved from Calineuria californica.
… v belov, 15 May, 2010 - 7:34am login or register to post comments

Wing venation
I probably should have taken a closer look at this specimen when I commented on the updated genus designation.

The wing venation indicates that this is probably Hesperoperla pacifica rather than Calineuria californica. The many small cells created by crossveins in the radial and medial spaces of the outer portion of the fore and hind wings would be atypical in C. californica, as would the branching of the 2nd anal vein in the right forewing. That branching is variable, but quite common in H. pacifica. It is also not unusual to see it in only one wing in that species.

In addition, neither the head or pronotum show markings that are typical of C. californica.
… Lloyd Gonzales, 18 September, 2009 - 6:13pm login or register to post comments

Moved
Moved from Stoneflies.
… john and jane balaban, 30 June, 2008 - 10:06pm login or register to post comments

Taxon update
Acroneuria californica has been revised to Calineuria californica. (I believe this is now a monotypical Nearctic genus.)
… Lloyd Gonzales, 30 June, 2008 - 3:45pm login or register to post comments

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