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The Specimen

Rhyacophila carolina (Green Sedge) Caddisfly LarvaRhyacophila carolina (Green Sedge) Caddisfly Larva View 8 PicturesThis specimens shows that the name "green rockworm" doesn't quite fit all Rhyacophila larvae, even though it does fit the majority. This is actually the first of their larvae that I've found in a different color. I'm not sure if it's because of the species or because this is a young one, but I have found equally small green larvae, so I'm guessing it's the species.
Collected May 6, 2007 from Mongaup Creek in New York
Added to by on May 18, 2007

The Discussion

LitobranchaJune 12th, 2007, 12:18 pm
Knoxville TN

Posts: 51
fits carolina in the key, but something doesn't look right to me, head shape doesn't really look like carolina and it is rather hairy. love to see an adult!!!
TroutnutJune 12th, 2007, 6:33 pm
Bellevue, WA

Posts: 2736
It is a fairly young larva, if that makes a difference here.
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Peter_OMay 16th, 2011, 1:16 pm
Delmar, NY

Posts: 2
Looks like R. minor or R. manistee...probably minor if the stream was small 2nd or 1st order
Peter_OMay 16th, 2011, 1:16 pm
Delmar, NY

Posts: 2
R. minor is small at larval maturity

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