title: How within-group behavioural variation and task efficiency enhance fitness in a social group.
authors.affiliation: Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996-1610, USA. jpruitt6@utk.edu
authors.forename: Jonathan N
authors.initials: JN
authors.lastname: Pruitt
authors.forename: Susan E
authors.initials: SE
authors.lastname: Riechert