Attenella soquele Healdsburg, Sonoma County, California, USA July 21, 2012 Size: 7.5 mm
This was found in Mill Creek, tributary of Russian River, in a shallow riffle consisting of small to medium gravel with little silt. The abdominal tubercles are sharp and well defined.
Contributed by Mark Melton on 18 January, 2018 - 1:27pm Last updated 18 January, 2018 - 8:35pm |