Length: insect in photo 4.2 mm
Allocapnia rickeri is named for Bill Ricker, an expert on Plecoptera who described or co-described 108 stonefly species beginning in 1935. His last paper describing new stoneflies came in 1997, and focused on species of the Yukon River.
Photo data: 31 March 2020. Beside the Tygart Valley River. Arden, Barbour County, West Virginia.
GPS data: 39.2126, -79.9825. Elevation 390 meters above sea level.
Also pictured on this site is an Allocapnia sp. from Upshur County, West Virginia.