2. Diuraphis Noxia

3. Name Kingdom: Animalia Phylum: Arthropoda Class: Insecta Binomial Nomenclature: Diuraphis noxia

4.  From Eurasia (central and western)  Came to U.S. in 1986  Brought to Texas accidentally from Mexico  Can now be found in many western states (California, Colorado, Nevada, etc.)

5. Map Of Distribution over all years

6.  Mostly eats Wheat and Barley  Main economic effect: Farmers lose money by losing crops and by buying pesticides

7. What Effects Has it Caused? (Ecosystems) To save money by not buying pesticides, types of flies have been introduced to stop the aphids

8. Food Chain Wheat Barley Sun Aphid Ladybug Flies

9. Reasons For Success Many predators such as lady beetles are too large to enter the rolled leaves Reproduce Asexually and all are female

10. In The Future Attempts to Stop the Menace Farmers can plant their crops early – Trade off- unanticipated weather Making sure plants are not under water stress – Trade off- might over water plants Not planting wheat or barley – Trade off- fewer wheat and barley for us(consumers)

11. Infected Crops The Aphid injects a toxin into the plant while feeding and causes damage The leaves then get white longitudinal streaks The leaf then curls up

12. Different Types Winged (alate)- when the plant dies several nymphs grow wings They seek a new host plant Dark green thorax Wingless (apterous)- produce many children Normal green thorax

13. http://www.invasivespeciesinfo.gov/animals/r wa.shtml http://www.invasivespeciesinfo.gov/animals/r wa.shtml http://www.ipm.ucdavis.edu/PMG/r73030021 1.html http://www.ipm.ucdavis.edu/PMG/r73030021 1.html http://www.ksre.ksu.edu/library/entml2/mf26 66.pdf http://www.ksre.ksu.edu/library/entml2/mf26 66.pdf http://ces.uwyo.edu/PUBS/B1013.07.pdf