Indicator Species

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An Idicator Species that indacates what kinds of aquatic insects are identified to groups how good the bugs withstand pollution

Very tolerant or can withstand pollution very well are the following…True Bug, Moth, Water Slater, Sow Bug, Flat Worm, Segmented Worm, Hydra, Leach and Freshwater Snail.

HydraFreshwater SnailLeach

This is a Hydra, This is a Freshwater Snail, This is a Leach.


Tolerant or can withstand pollution ok, is the
Following…Dragonfly/Damselfly Nymphs, Side Swimmer, Fresh Water Mussel, Nematode, Fly Larva, Black Fly Larva, Mosquito Larva, Blood Worm.

Freshwater Mussel
Freshwater Mussel
Mosquito Larva
Mosquito Larva

Black Fly Larva





Black Fly Larva

 



 



intolerant
cannot withstand pollution that well. They are the following… Water Mite, Beetle, Fresh Water Shrimp, Prawn, Yabbie and crayfish.

Water Mite
Water Mite
Crayfish
Crayfish
Water Mite




Water Mite










Very sensitive or very intolerant cannot withstand pollution at all. They are the following… Stonefly/Mayfly/Alderfly Nymphs and Caddis Fly Larva.

Mayfly Nymph
M
ayfly Nymph
Stonefly
S
tonefly Nymph
Caddis Fly Larva
Caddis Fly Larva