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Aquatic Macroinvertebrates. What a mouthful!. CADDISFLY. Larvae. adult. HELLGRAMMITE (larvae) DOBSONFLY (adult). larvae. adult. MAYFLY. nymph. adult. GILLED SNAILS and POUCH SNAILS (with the tip held upright, it is easy to tell the
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Aquatic Macroinvertebrates What a mouthful!
CADDISFLY Larvae adult
HELLGRAMMITE(larvae) DOBSONFLY(adult) larvae adult
MAYFLY nymph adult
GILLED SNAILS and POUCH SNAILS (with the tip held upright, it is easy to tell the pollution sensitive gilled snail from the pond snail, which is more tolerant of organic pollution) Pouch Snails - Pollution Tolerant Gilled Snails – Pollution Sensitive
RIFFLE BEETLE larvae adult
STONEFLY adult nymph
WATER PENNY larvae adult
AQUATIC BEETLE larvae adult
CLAM adult
CRANEFLY adult larvae
CRAYFISH adult
DAMSELFLY nymph adult
DRAGONFLY nymph adult
SCUD adult
FISHFLY adult larvae
ALDERFLY larvae adult
ATHERIX (Snipefly) larvae adult
AQUATIC WORMS adults
BLACKFLY adult larvae
LEECH adult
MIDGE larvae adult