Acknowledgements
The following people assisted with field and lab data collection: G. Domínguez Martínez, U. Perez Vasquez, G. Lopez Bautista, F. Sanchez-Lopez, D. Lopez, P. Bichier, B. Chilel, A. De la Mora, D. Gonthier, G. Livingston, K. Mathis, K. Ennis, E. Jimenez-Soto, J. Vandermeer, I. Perfecto, D. Jackson, H. Hsieh, and A. Iverson. J. Rojas and E. Chamé Vasquez of El Colegio de la Frontera Sur (ECOSUR) provided logistical support. Permission for arthropod collection was granted by SEMARNAT (Secretaria de Medio Ambiente y Recursos Naturales). We thank Finca Irlanda and Don Walter Peters for access to the farm and housing for field research. We also wish to thank the participants of the NIMBios workshop on “Animal Social Networks”. Funding was provided by NSF DEB-1262086 to SP, Rackham Merritt Fellowship to SY, and EEB Block Grant to SY.