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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Stoneflies (Plecoptera)
Photo#184101
Stonefly?
Copyright © 2008 Elizabeth Winthrop

Stonefly?
10 miles north of Doniphan, Ripley County, Missouri, USA
May 21, 2008
Size: ~20 mm
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Contributed by Elizabeth Winthrop on 21 May, 2008 - 3:52pm
Last updated 17 December, 2008 - 6:39pm

Moved
Moved from Striped Stone.
… john and jane balaban, 17 December, 2008 - 6:39pm login or register to post comments

Probably not Perlinella
Ethan Bright's Perlinella species key (Aquatic Insects of Michigan) describes drymo as having a dark pronotal stripe bordered by pale areas, the opposite of this specimen. In addition, Perlinella has angular "corners" at the rear of the head and crossveins between the first two anal veins, which does not appear to be the case here.
… Lloyd Gonzales, 22 July, 2008 - 2:45pm login or register to post comments

ID
I am fortunate to have the keys to the families of stoneflies. The size of this specimen, the cross veins in the back of the front wings and the two black spots on the yellow head are characteristics of Perlinella drymo. This is in the family Perlidae (common stoneflies).
… Ross Hill, 27 May, 2008 - 11:52pm login or register to post comments

 
Thanks for your help!!
Looks like we'll need a new guide page for this one!
… Elizabeth Winthrop, 28 May, 2008 - 8:04pm login or register to post comments

Not an ID
but I agree with your impression of a stonefly (Plecoptera). Maybe someone can get it to family or genus?
… Ken Schneider, 21 May, 2008 - 5:00pm login or register to post comments

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