Staff flip over rocks to check where macroinvertebrates are in their life cycle. The photo above shows a caddisfly larva casing on the underside of a rock.
Staff flip over rocks to check where macroinvertebrates are in their life cycle. The photo above shows a caddisfly larva casing on the underside of a rock.
Staff flip over rocks to check where macroinvertebrates are in their life cycle. The photo above shows a caddisfly larva casing on the underside of a rock.