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Caddisfly Pupa

Caddisfly Pupa
Wilkeson Creek, about 1 mi NW of Wilkeson, Pierce County, Washington, USA
July 29, 2012
Size: 13 mm
This pupa was found under a rock in the stream (Wilkeson Creek). I had to disturb the tiny bits of gravel that were adhered to the rock surface. This was inside that little gravel "cairn". My second photo shows the pupa next to what's left of its gravel cairn.
I'm pretty sure this is a caddisfly pupa. See and Which caddisfly I do not know, although Limnephilidae seem to be common Washington.

Images of this individual: tag all
Caddisfly Pupa Caddisfly Pupa

but not a limnephilid. Given the size probably a Rhyacophila but cannot be sure from the pic.

Moved from ID Request.

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