Interactions with Combined Chemical Cues Inform Harvester Ant Foragers' Decisions to Leave the Nest in Search of Food Greene, Michael J. ; Pinter-Wollman, Noa ; Gordon, Deborah M. Abstract Publication: PLoS ONE Pub Date: January 2013 DOI: 10.1371/journal.pone.0052219 Bibcode: 2013PLoSO...852219G