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Macroinvertebrate ID Review
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Minto Site PTI Rating:
https://iwinst.org/wp-content/uploads/2021/03/PTI_Estimate_forum.pdf
Minto Specimen #1 - What is the name of this specimen according to your key?
Freshwater Clam
Left-handed Snail
Right-handed Snail
Limpet
Minto Specimen #2 - What is the name of this specimen according to your key?
Damselfly nymph
Dragonfly nymph
Stonefly nymph
Mayfly nymph
Minto Specimen #3 - What is the name of this specimen according to your key?
Water strider
Water scorpion
Giant Water Bug
Backswimmer
Minto Specimen #4 - What is the name of this specimen according to your key?
Water strider
Water scorpion
Giant Water Bug
Backswimmer
According to the specimens observed on this day in Minto, what is the estimated Pollution Tolerance Index Rating?
Excellent
Good
Fair
Poor
PTI Ratings - Excellent (23+), Good (17-22), Fair (11-16), Poor (0-10)
Red Lake Falls Site PTI Rating:
https://iwinst.org/wp-content/uploads/2021/03/PTI_Estimate_forum.pdf
Red Lake Falls Specimen #1 - What is the name of this specimen according to your key?
Crawfish
Cadesfly Larvae
Riffle Beetle Larvae
Mayfly Larvae
Red Lake Falls Specimen #2 - What is the name of this specimen according to your key?
Coleoptera (whirligig beetle)
Plecoptera (stoneflies)
Diptera (crane fly)
Odanata (dragonfly)
Red Lake Falls Specimen #3 - What is the name of this specimen according to your key?
Gilled Snail
Pouch Snail
Freshwater Mussel
Orb Snail
Red Lake Falls Specimen #4 - What is the name of this specimen according to your key?
Gilled Snail
Pouch Snail
Freshwater Mussel
Orb Snail
According to the specimens observed on this day in Red Lake Falls, what is the estimated Pollution Tolerance Index Rating?
Excellent
Good
Fair
Poor
PTI Ratings - Excellent (23+), Good (17-22), Fair (11-16), Poor (0-10)
Fisher Site PTI Rating:
https://iwinst.org/wp-content/uploads/2021/03/PTI_Estimate_forum.pdf
Fisher Specimen #1 - What is the name of this specimen according to your key?
Dragonfly Nymph
Caddisfly Larvae
Damselfly Nymph
Mayfly Nymph
Fisher Specimen #2 - What is the name of this specimen according to your key?
Flatworm
Leech
Aquatic Worm
Black Fly Larvae
Fisher Specimen #3 - What is the name of this specimen according to your key?
Whirligig Beetle
Giant Water Bug
Dobsonfly Larvae
Predacious Diving Beetle
Fisher Specimen #4 - What is the name of this specimen according to your key?
Giant Water Bug
Water Strider
Backswimmer
Water Boatman
According to the specimens observed on this day in Fisher, what is the estimated Pollution Tolerance Index Rating?
Excellent
Good
Fair
Poor
PTI Ratings - Excellent (23+), Good (17-22), Fair (11-16), Poor (0-10)
Hawley Site PTI Rating:
https://iwinst.org/wp-content/uploads/2021/03/PTI_Estimate_forum.pdf
Hawley Specimen #1 - What is the name of this specimen according to your key?
Aquatic Worms
Black Fly Larvae
Riffle Beetle Larvae
Midge Fly Larvae
Hawley Specimen #2 - What is the name of this specimen according to your key?
Damselfly Nymph
Stonefly Nymph
Cranefly Larvae
Mayfly Nymph
Hawley Specimen #3 - What is the name of this specimen according to your key?
Crayfish
Scud
Sowbug
Orb Snail
Hawley Specimen #4 - What is the name of this specimen according to your key?
Dobsonflies/Fishflies
Stonefly Nymph
Mayfly Nymph
Damselfly Nymph
According to the specimens observed on this day in Hawley, what is the estimated Pollution Tolerance Index Rating?
Excellent
Good
Fair
Poor
PTI Ratings - Excellent (23+), Good (17-22), Fair (11-16), Poor (0-10)
Tewaukon NWR Site PTI Rating:
https://iwinst.org/wp-content/uploads/2021/03/PTI_Estimate_forum.pdf
Tewaukon NWR Specimen #1 - What is the name of this specimen according to your key?
sowbug
scud
crayfish
shrimp
Tewaukon NWR Specimen #2 - What is the name of this specimen according to your key?
Left-handed, Lunged Snail
Freshwater Clams
Flatworms
Right-handed, Gilled Snail
Tewaukon NWR Specimen #3 - What is the name of this specimen according to your key?
Riffle beetle larvae
Dobsonfly larvae
Caddisfly larvae
Stonefly larvae
Tewaukon NWR Specimen #4 - What is the name of this specimen according to your key?
Giant Water Bug
Water Strider
Backswimmer
Water Boatman
According to the specimens observed on this day at the Tewaukon NWR , what is the estimated Pollution Tolerance Index Rating?
Excellent
Good
Fair
Poor
PTI Ratings - Excellent (23+), Good (17-22), Fair (11-16), Poor (0-10)
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