The mean total number of offspring produced by colonies in the field according to treatment. Bars represent least square means and their standard errors as predicted by the GLM. Diploid male colonies produced significantly fewer offspring than both the outbred and the regular inbred colonies (P < 0.01, see text).
Whitehorn et al. BMC Evolutionary Biology 2009 9:152 doi:10.1186/1471-2148-9-152