Volume and Density of Microglomeruli in the Honey Bee Mushroom Bodies Do Not Predict Performance on a Foraging Task Running title: Synaptic organization and foraging Byron N. Van Nest 1,2,3,* , Ashley E. Wagner 4 , Glen S. Marrs 1,2,3 , Susan E. Fahrbach 1,2,3 1 Department of Biology, Wake Forest University, Winston-Salem, NC, USA 2 Neuroscience Program, Wake Forest School of Medicine, Winston-Salem, NC, USA 3 Center for Molecular Communication and Signaling, Wake Forest University, Winston-Salem, NC, USA 4 Department of Biological Sciences, East Tennessee State University, Johnson City, TN, USA * For correspondence: vannesbn@wfu.edu; Department of Biology, Wake Forest University, Box 7325, Winston-Salem, NC 27109, USA; +1-336-758-4841 (office); +1-336-758-6008 (fax). ORCID: orcid.org/0000-0002-4650-6264 (B.N.V.N.); orcid.org/0000-0003-1374-6402 (A.E.W.); orcid.org/0000-0003-3006-3152 (G.S.M); orcid.org/0000-0003-1037-8018 (S.E.F.) Acknowledgements: We thank Nathaniel Robinson, David Hale, Simone Barbato, Ivan Golub, Katherine Stevenson, Chelsea Corrigan, James Privitt, and Patrick Li for laboratory and field assistance; Peter and Ann Weigl for providing the field site; Stephanie Hathaway and Janeth Moncada for beekeeping; Edith Seier for assistance with the randomization tests; Mike Morris Research Article Developmental Neurobiology DOI 10.1002/dneu.22492 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as an ‘Accepted Article’, doi: 10.1002/dneu.22492 © 2017 Wiley Periodicals, Inc. Received: Dec 24, 2016; Revised: Feb 17, 2017; Accepted: Feb 18, 2017 This article is protected by copyright. All rights reserved.