North Central
DOWNLOAD DATA| Image | Name | Score |
|---|---|---|
| Cased caddis larvae | 8 | |
| Mayfly nymphs | 9 | |
| Water mites | 5 | |
| Chironomids, blood worms | 4 | |
| Damselfly larvae | 3 | |
| Glass shrimps | 3 | |
| Backswimmers | 1 | |
| Freshwater crayfish or yabbies | 1 | |
| Freshwater snails | 1 | |
| Mosquito larvae, wrigglers | 1 | |
| Scavenger beetle larvae | 2 | |
| Waterboatmen | 2 |