Poster # 41. Morano, Janelle^*,1, Grande, Terry¹, Westneat, Mark², ¹ Loyola University Chicago, Chicago, IL² Field Museum of Natural History, Chicago, IL, Integrating feeding biomechanics and ecology to understand round goby predation on zebra mussels.

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Poster # 42. Burgett, Amber^{*,1, 3}, Crumrine, Patrick^{2, 3}, ¹ Denison University, Granville, OH³ Blandy Experimental Farm, Boyce, VA² Longwood University, Farmville, VA, Impacts of shared prey density and diversity on intraguild predation interactions.

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Poster # 43. Emmering, Quinn^*,1, Rush, Scott², Schmidt, Kenneth¹, Ostfeld, Richard³, ¹ Texas Tech University, Lubbock, TX² University of Georgia, Athens, GA³ Institute of Ecosystem Studies, Millbrook, NY, When rodents crash songbirds look to the skies: prey switching by raptors in a pulsed resource system.

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Poster # 44. Wojdak, Jeremy^{*,1, 2}, ¹ Department of Zoology, Hickory Corners, MI, USA² Department of Biology, Radford, VA, USA, Foraging and refuge use by a pond snail: effects of physiological state, predators, and resource abundance.

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Poster # 45. Rypstra, Ann^*,1, Shaw, Emma², ¹ Miami University, Hamilton, Ohio, USA² Manchester Metropolitan University, Manchester, England, UK, Sub-lethal effects of the common herbicide, glyphosate, on the activity of a generalist predator.

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Poster # 46. Abu Baker, Mohammad^*,1, Brown, Joel¹, ¹ University of Illinois at Chicago, Chicago, Illinois, USA, Patch area, substrate depth, and richness effects on the giving-up densities of mourning doves.

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Poster # 47. Schmidt, Jason ^*,1, Rypstra, Ann², ¹ Miami University, Oxford, Oxford, Ohio² Miami University, Hamilton, Hamilton, Ohio, Structural complexity reduces foraging success in the leopard spider, Pardosa milvina (Araneae, Lycosidae).

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Poster # 48. Emerson, Sara^*,1, Brown, Joel², Schmidt, Kenneth³, Whelan, Christopher³, ¹ University of Illinois at Chicago, Chicago, IL² University of Illinois at Chicago, Chicago³ Texas Tech University, Lubbock, TX, Shared doom or associational refuge? Seeds, squirrels, and plant toxins.

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Poster # 49. Donaldson, Jack^*,1, Tull, Nathaniel¹, Gratton, Claudio¹, ¹ University of Wisconsin, Madison, Madison, WI, Lake to land resource subsidies: aquatic midges influence food web interactions and productivity in a shoreline community.

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Poster # 50. Lehtonen, Päivi^*,1, Saikkonen, Kari², Helander, Marjo¹, Phillips, Timothy³, Shine, Philip³, Faeth, Stanley⁴, ¹ University of Turku, Turku, Finland² MTT Agrifood Research Finland, Mikkeli, Finland³ University of Kentucky, Lexington, KY⁴ Arizona State University, Tempe, AZ, Effects of endophyte infection, environment, and genetic background on the performance of tall fescue (Lolium arundinaceum).

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Poster # 51. Yang, Louie^*,1, ¹ Section of Ecology and Evolution, Davis, CA, Bottom-up and top-down effects of resources pulses: periodical cicada detritus increases herbivory.

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Poster # 52. Hochwender, Cris^*,1, Cha, Dong¹, Tucker, Rachel¹, Bosecker, Elizabeth¹, Kaufman, Arlen¹, ¹ University of Evansville, Evansville, IN, Plant-derived chemical defenses: feeding preference is linked to predator deterrence for the herbivorous beetle Chrysomela knabi.

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Poster # 53. Beard, Karen^*,1, Sin, Hans¹, Pitt, William², ¹ Utah State University, Logan, UT² USDA/APHIS/WS/National Wildlife Research Center, Hilo, HI, An invasive frog influences invertebrate communities and ecosystem processes similarly in its native and introduced ranges.

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Poster # 54. Gruner, Daniel^{*,1, 4}, Dennis, Brian², Dugaw, Chris³, Hastings, Alan¹, Ram, Karthik¹, Strong, Donald¹, ¹ University of California, Davis, Davis, CA⁴ dsgruner@ucdavis.edu, Davis, CA² University of Idaho, Moscow, ID³ Humboldt State University, Arcata, CA, Microparasite colonization, persistence, and extinction: spatial and temporal dynamics of an underground trophic cascade.

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Poster # 55. Dimas, Margo^*,1, Orr, Teri^*,1, Wolf, Blair¹, Gannon, William¹, ¹ University of New Mexico, Albuquerque, NM, Is nitrogen enriched between parasites and host? Neotoma albigula and bot flies (Cuterebra sp.): an empirical test of nitrogen enrichment in food webs.

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