Rhyacophila spp.

Millcreek has attached these 4 pictures to aid in identification. The message is below.

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Rhyacophila hyalinata group. 12 mm.

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Rhyacophila betteni group. 13 mm.

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Rhyacophila betteni group. 14 mm.

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Rhyacophila betteni group. 14 mm.

Millcreek	October 23rd, 2015, 9:16 pm
Healdsburg, CA Posts: 356	These two Rhyacophila species were collected from Mill Creek, a tributary of the Russian River. The first is probably a member of the Rhyacophila hyalinata group and the second is probably a member of the Rhyacophila betteni group.


Taxon	October 24th, 2015, 1:21 am
Site Editor Royse City, TX Posts: 1348	Very interesting and instructive photos, Mark. Thanks for sharing.
	Best regards, Roger Rohrbeck www.FlyfishingEntomology.com

Millcreek	October 24th, 2015, 10:53 am
Healdsburg, CA Posts: 356	Glad you enjoyed them, Roger. Mark

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