Suwallia sp.

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Millcreek	June 9th, 2017, 8:35 pm
Healdsburg, CA Posts: 356	These nymphs are common in the Russian River. Suwallia nymphs are usually found in tail-outs of rapids at depths of about 6 inches on a gravel bottom. They measure 10-13 mm not including the cerci and antennae. The nymphs are found from early March to July.

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