North Central
DOWNLOAD DATAImage | Species | Score | Quantity |
---|---|---|---|
Freshwater shrimp | 5 | 5 | |
Caddis-fly Larvae (Trichoptera) | 7 | 2 | |
Mayfly nymph (Ephemeroptera) | 7 | 3 | |
Water mites (Acarina) | 5 | 2 | |
Freshwater Snails (Gastropoda) | 3 | 1 | |
True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 20 | |
Biting Midge Larvae (Diptera) | 2 | 20 |
Total bug score | ||
---|---|---|
Total abundance | 0 - 35 | 35+ |
0 - 200 | Poor | Good |
200+ | Fair | Very good |