North Central
DOWNLOAD DATA| Image | Species | Score | Quantity |
|---|---|---|---|
| Freshwater shrimp | 5 | 3 | |
| Caddis-fly Larvae (Trichoptera) | 7 | 2 | |
| Damselfly Nymph (Odonata) | 6 | 4 | |
| True Bugs - Backswimmers, Water-boatmen, Water-striders (Hemiptera) | 4 | 13 |
| Total bug score | ||
|---|---|---|
| Total abundance | 0 - 35 | 35+ |
| 0 - 200 | Poor | Good |
| 200+ | Fair | Very good |