Water Quality Insect Identification

Stonefly Adult

Stonefly Larva

Caddisfly Adult

Caddisfly Larva

Water Penny

Dragonfly Adult

Dragonfly Larva

Scud

Damselfly Adult

Damselfly Larva

Crayfish

Water Beetle Adult

Water Beetle Larva

Water Scorpion Adult

Water Scorpion Larva

Whirligig Beetle Adult

Whirligig Beetle Larva

Water Boatman

Riffle Beetle Adult

Riffle Beetle Larva

Water Strider Adult

Water Strider Larva

Crane Fly Adult

Crane Fly Larva

Black Fly Adult

Black Fly Larva

Midge Adult

Midge Larva

Mosquito Adult

Mosquito Larva

Flatworm Adult

Flatworm Larva

Leech

Mayfly adult

Mayfly Larvae

Stonefly adult

Stonefly nymph

Dobsonfly adult

Dobsonfly larvae

Gilled snails

Aquatic Sowbug

water mite

Air breathing snail

Deer/horse fly adult

Deer/Horse fly larvae

Tubiflex

Blood Midge

Giant water bug

Back Swimmer

Predacious diving beetle adult

Predacious diving beetle larvae

Purple Loosestrife

Eurasian Water Milfoil

Water Hyacinth

Zebra Mussel

Waterflea

Asian Tiger Mosquito

Common Carp