1. Benthic Macroinvertebrates of the Rouge River Watershed An Introductory Photo Slide Show

2. Pollution Tolerant Species Aquatic Worms Leeches Midge Larvae Pouch Snails True Bugs Other Fly Species Aquatic Worms Pouch Snail

3. Leeches Leeches have special circular mouths with rows of teeth! Leeches come in many colors and can even have diamond patterns on their backs!

4. Midge Larvae

5. True Bugs Water Scorpion Water Boatman Water Strider

6. Somewhat Sensitive Bugs Alderfly Larvae Beetle Adults Beetle Larvae Black fly Larvae Clams Crane fly larvae Crayfish Damselfly Nymphs Dragonfly Nymphs Net Spinning Caddisfly Larvae Scuds Sowbugs

7. Black Fly Larvae

8. Crane fly Larvae

9. Damselfly Nymphs

10. Dragonfly Nymphs

11. Net Spinning Caddisfly

12. Scuds

13. Sowbugs

14. Sensitive Bugs Case Building Caddisfly Larvae Hellgrammites Mayfly Nymphs Gilled Snails (Right Handed) Stonefly Nymphs Water Penny Water Snipe Fly

15. Case Building Caddisfly

16. Water Penny