Stoneflies are indicators of good water quality, as they cannot survive in highly polluted waters. This photo shows a stonefly nymph found on San Luisito Creek.
Stoneflies are indicators of good water quality, as they cannot survive in highly polluted waters. This photo shows a stonefly nymph found on San Luisito Creek.
Stoneflies are indicators of good water quality, as they cannot survive in highly polluted waters. This photo shows a stonefly nymph found on San Luisito Creek.