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Photo#264462
stonefly - Sweltsa

stonefly - Sweltsa
Greens Grant, Coos County, New Hampshire, USA
April 7, 2009
Size: 9mm
Netted from a fast running rocky mountain stream.

Late May
I'll keep away from these until I start seeing mature larvae.

Sweltsa sp.
pretty common and unidentifiable until the larvae are mature (late May usually)

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