Found this adult perla stonefly on the middle river between Spruce Creek and the Grier school. Stoneflies are sensitive to water quality and seeing them upstream is a great sign.
J Perla stonefly
Little Juniata River Association -a 501 c3 non-profit organization
Our mission is to: “Monitor, Preserve and Improve the Little Juniata River and its tributaries as cold water resources”.