Group 1
Group 2
Group 3
Name That Group
Larva or Larvae
Correct Spelling
100

Freshwater Mussel

100

Crayfish

100

Flatworm

100
Found in a wide range of water quality conditions

Group 2

100

Larva (Waterpenny)

100

W-H-I-R-L-I-G-I-G-B-E-E-T-L-E

200

Gilled Snail

200

Scud

200

Their dominance indicates

Poor Water Quality

200

Group 2: Dragonfly Larva

200

Larvae (Cranefly)

200

M-I-D-G-E-F-L-Y-L-A-R-V-A

300

Caddisfly

300

Fingernail Clam

300

Roundworm

300

Group 1: Dobsonfly Larva

300

Larva: Dronefly

300

C-A-D-D-I-S-F-L-Y

400

Riffle Beetle

400

Whirligig Beetle

400

Found in ______ quality water

ANY

400

Pollution Sensitive Organisms

Group 1

400

Larva: Blackfly

400

M-A-Y-F-L-Y-N-Y-M-P-H

500

Stonefly Nymph

500

Water Strider

500

Oligochaete Worm

500

Group 3: Leech

500

Larvae (Fishfly)

500

D-O-B-S-O-N-F-L-Y-L-A-R-V-A

600

Mayfly Nymph

600

Damselfly Nymph

600

Pouch Snail

600

Highly Pollutant Tolerant

Group 3

600

Larva: Midgefly

600

D-A-M-S-E-L-F-L-Y-N-Y-M-P-H

700

Indicates _________ Water Quality

Good

700

Sowbug

700

Horse Fly Larva

700

Group 2: Water Scorpion

700

Larvae (Water Beetle)

700

O-L-I-G-O-C-H-A-E-T-E-W-O-R-M

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