Isoperla mormona - voucher specimen, in alcohol - Isoperla Healdsburg, Russian River, Sonoma County, California, USA February 27, 2013 Size: 9 mm
Identified to genus using Merritt, Cummins and Berg (2008) as well as Stewart and Stark (2002). Identified to species using John B. Sandberg's article in Illiesia: "The Isoperla of California (Plecoptera: Perlodidae); larval descriptions and a key to 17 western Nearctic species" 2011
Images of this individual: tag all Contributed by Mark Melton on 31 December, 2013 - 8:34pm |