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Soybean Aphid Suction Traps What are they, What can they tell us?

Soybean Aphid Suction Traps What are they, What can they tell us?. Eileen Cullen, Extension Entomologist University of Wisconsin – Extension University of Wisconsin, Madison Entomology Dept . Illinois suction trap data provided courtesy of David Voegtlin Center for Ecological Entomology

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Soybean Aphid Suction Traps What are they, What can they tell us?

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  1. Soybean Aphid Suction TrapsWhat are they, What can they tell us? Eileen Cullen, Extension Entomologist University of Wisconsin – Extension University of Wisconsin, Madison Entomology Dept. Illinois suction trap data provided courtesy of David Voegtlin Center for Ecological Entomology Illinois Natural History Survey

  2. Soybean Aphid Suction Trap Photo Courtesy of David Voegtlin

  3. Summer population SOYBEAN Spring Migrants Fall BUCKTHORN Eggs Chris DiFonzo MSU Entomology Department

  4. Dr. David Voegtlin Univ. of Illinois IL Natural History Survey Soybean aphid suction trap. Can we anticipate high soybean aphid years? 2004 Illinois suction trap locations. Nine sites, one trap per location.

  5. Soybean aphid eggs on Buckthorn Photo by D. Voegtlin Soybean aphid eggs overwinter on Buckthorn Sept. – Oct. Trap Catch: Winged migrants (female & male) Moving from soybean to buckthorn. Size and success of this migration can influence population the following season.

  6. Illinois Suction Traps - 2001 Free. DeK. Mon. Urbana Perry Brown. Dixon Spr. 27 July 825 6 1 2 0 0 3 August 149 55 5 0 5 0 0 10 August 886 262 2 1 0 1 0 17 August 32 21 3 0 1 0 1 24 August 2 0 0 0 0 1 0 31 August 0 1 0 0 0 0 0 7 Sept. 0 0 0 0 0 0 0 14 Sept. 0 0 0 0 0 0 0 21 Sept. 5 0 0 3 0 0 0 28 Sept. 3 1 4 0 0 0 0 5 Oct. 2 2 0 0 0 3 0 12 Oct. 0 0 0 0 0 1 David Voegtlin, Illinois Natural History Survey

  7. Illinois Suction Traps - 2002 Free. DeK. Mon. Urbana Perry Brown. Dixon Spr. 19 July 3 0 3 0 4 0 0 26 July 3 3 10 0 0 0 0 2 August 41 5 660 0 0 9 August 13 19 8 0 5 0 0 16 August 22 8 0 2 10 0 0 23 August 04 0 0 21 0 30 August 0 0 0 01 0 0 6 Sept. 0 1 0 00 0 0 13 Sept. 0 0 3 0 0 0 0 20 Sept. 0 0 1702 0 0 27 Sept. 0 2 80712841 0 4 Oct. 0 3862131331 0 11 Oct. 0 7 3 4 9 0 0 David Voegtlin, Illinois Natural History Survey

  8. Illinois Suction Traps - 2003 Free. DeK. Mon. Eur. Urbana Perry Brown. D. Spr. 4 July 0000000 0 11July 21 1 0 0 0 0 0 0 18 July 17613112 0 0 0 0 25 July 112 940 59 142 2 4 3 1 1 August 787 6,755 7140198 1 0 8 August 1,912 4,890 569 4,920 163 232 18 0 15 August 1,810 286 1,403 1,090 602 1,560 1,535 31 22 August 1,347 264 2,690 921 1,131 620 4,113 2 29 August 26 29 209 50 215 85 1,060 67 5 Sept. 1 3 8 2 6 3 25 1 12 Sept. 0 0 0 0 0 0 0 0 19 Sept. 0 0 110 0 0 0 26 Sept. 0 0 0 0 0 0 0 0 3 Oct. 0 0 0 0 0 0 0 0 10 Oct. 0 0 0 3 0 2 0 0 17 Oct. 0 0 0 51 5 4 David Voegtlin, Illinois Natural History Survey

  9. Illinois Suction Traps - 2004 Free. DeK. Jol. Mon. Eur. Urbana Perry Brown. D. Spr. 30 July 1 0 1 1 4 0 0 0 0 6 August 1 1 1 0301 0 0 13 August 1 0 0 1 1 0 4 0 0 20 August 1 0 00 2 0 1 00 27August 0 1 1 1 1 0 0 00 3 Sept. 0 0 0 4 2 0 6 1 0 10 Sept. 3 2 0 19 15 3 12 0 0 17 Sept. 3920 0 78 1056357 11 0 24 Sept. 83266 16 48 7 164 41 3 1 Oct. 13 20 3 25 132 32 289 7 6 8 Oct. 13 4 - 2 19 3 48 15 5 15 Oct. 0 4 4 0 5 4 25 2 4 22 Oct. - - 0 0 1 - - - 3 David Voegtlin, Illinois Natural History Survey

  10. Illinois Suction Trap Trends Fall 2001 Trap Catches Very Low 2002 Growing Season low soybean aphid year Fall 2002 Traps caught 700+ migrants 2003 Growing Season high soybean aphid year Fall 2003 Trap Catches again Very Low 2004 Growing Season very low soybean aphid year Fall 2004 Traps caught 1,765 migrants 2005 Growing Season ???? Scouting will be Critical.

  11. Suction Trap Locations Coming to WI Summer 2005!

  12. Acknowledgements Funding for Soybean Aphid Suction Traps Provided by: North Central Integrated Pest Management (NCIPM) Regional Research Coordination and Aphid Identification: Dr. David Voegtlin, Center for Ecological Entomology Illinois Natural History Survey

  13. Eileen Cullen UW Madison Entomology Department Extension Entomologist University of Wisconsin Entomology Department 1630 Linden Drive Madison, WI 53706 Tel: (608) 261-1507 E-mail: cullen@entomology.wisc.edu

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