1:30 PM McPhearson, P. Timon^*,1, Bennett, Kyle¹, Cox, Robert¹, Palmer, Mathew¹, Morin, Peter¹, ¹ Rutgers University, New Brunswick, NJ Mutualism or slavery? Classical mutualists positively affect associated communities albeit by symbiont host control.

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1:45 PM TBA.

2:00 PM Pedersen, Amy^*,1, Antonovics, Janis¹, ¹ University of Virginia, Charlottesville, VA Removal of intestinal nematodes in wild populations of Peromyscus leucopus: Effects on behavior and survival.

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2:15 PM Yee, Susan^*,1, ¹ University of Chicago, Chicago, IL, 60420 Spatial structure affects dynamics in a treehopper - ant mutualism.

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2:30 PM Morales, Manuel^*,1, Beal, Angus¹, ¹ Williams College, Williamstown, MA The effects of host-plant quality in an ant-membracid mutualism.

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2:45 PM Break.

3:00 PM Ness, Joshua^*,1, Bronstein, Judith¹, Andersen, Alan², Holland, J.¹, ¹ University of Arizona, Tucson, Arizona² CSIRO Tropical Ecosystem Research Centre, Winnellie, NT, Australia Disruption of native ant/seed interactions by invasive ants is predicted by body size.

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3:15 PM Salkeld, Dan^*,1, ¹ James Cook University, Townsville, Australia Parasite regulation of a lizard population.

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3:30 PM Tyre, Andrew^{*,1, 2}, Tenhumberg, Brigitte^{1, 2}, Bull, C. Michael ³, ¹ University of Queensland, St. Lucia, QLD, Australia² University of Nebraska-Lincoln, Lincoln, NE³ Flinders University of South Australia, Adelaide, SA, Australia Could density dependent engorgement success regulate populations of ticks on Sleepy Lizards?

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3:45 PM Helmus , Matthew ^*,1, Dussourd, David², ¹ University of Wisconsin-Madison, Madison, WI² University of Central Arkansas, Conway, AR The vein-cutting monarch: a bioassay for vein-cutting stimulants in milkweed latex.

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4:00 PM Cobbold, Christina^*,1, Lewis, Mark¹, Roland, Jens², ¹ Department of Mathematical and Statistical Science, Edmonton, Alberta, CANADA² Department of Biological Sciences, Edmonton, Alberta, CANADA The impact of parasitoid emergence time on forest tent caterpillar outbreaks.

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4:15 PM Levri, Edward^*,1, Itle, Carolyn¹, Lunnen, Shane¹, Winters, Justin¹, Platt, Robert ¹, ¹ Division of Mathematics and Natural Science, Altoona, PA, USA The effect of a trematode parasite on the response of a snail to light and gravity.

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