1. Dragonflies & Mosquitoes: Their role in the ecosystem

2. Why do insects matter? Large Biomass! Feed salmon! Important for evaluating stream/river health!

3. Idaho State University What’s in a Stream?

4. Feeding Groups Grazers – Algae Shredders – Leaves, Plants, Wood Collectors – Particles Predators – Other insects

5. Grazers Ephemeroptera (Mayflies)

6. Shredders Plectoptera (Stoneflies) Trichoptera (Caddisflies)

8. Collectors BlackfliesCaddisflies MidgesMosquitoes

9. Predators Diving Beetles Backswimmers Dragonflies & Damselflies

11. Food For Everyone! Idaho State University

12. Insects & Salmon Spawning salmon fertilize streams Terrestrial & aquatic insects feed juvenile salmon

13. Riparian Zone Provide food for fish! Provide food for insects Provide Shelter for fish! Help regulate discharge Regulate temperatures University of Nevada, Reno

14. Using Insects For Water Quality Diversity Density Pollution Tolerance - EPT = Ephemeroptera + Plectopera + Trichoptera “Mayflies” “Stoneflies” “Caddisflies” Show long term effects OARS

15. Questions?

17. Dragonflies vs Damselflies

18. Photos Sources http://www.nhptv.org/wild/Coenagrionidae.asp http://www.cals.ncsu.edu/course/ent425/spotID/Odonata/aeshnid.html https://fishandgame.idaho.gov/species/taxa/aeshnidae http://www.wildscape.com/shop-for-caddisfly-earrings.html http://seawayblog.blogspot.com/2008/12/amazing-caddisflies-and-curious-story.html http://6legs2many.wordpress.com/category/insects/odonata/ http://flyfishingupdates.com/tag/larva/ http://qvcproject.blogspot.com/2012/01/magnificent-giant-and-unfortunately.html http://watermonitoring.uwex.edu/wav/monitoring/coordinator/ecology/trichoptera.html http://www.mzephotos.com/gallery/insects/chironomidae.html http://www.diptera.info/forum/viewthread.php?thread_id=2387 http://nathistoc.bio.uci.edu/diptera/Culex%20quinquefasciatus.htm http://nathistoc.bio.uci.edu/hemipt/Corixid.htm http://aquaticinsectsofcentralvirginia.blogspot.com/2011/01/super-hatches-of-spring-spiny-crawlers.html http://bugguide.net/node/view/109045 http://www.discoverlife.org/mp/20q?search=Soyedina http://www.troutnut.com