Relationship between embryonic development time (in days) and day on which the egg was laid. Size of the points is proportional to the frequency of the data points. Smallest point is 1 egg (e.g. egg laid on day 2 and taking 10 days to hatch) and largest corresponds with 40 eggs (e.g. 40 eggs laid on day 2 took 7 days to hatch). Full random slope and intercept lme model fitted was: embryonic development time = egg size + day of oviposition + flight treatment.
Gibbs et al. BMC Evolutionary Biology 2010 10:345 doi:10.1186/1471-2148-10-345