<p>Note: Fertility was measured by the total progeny produced by three pairs of flies for 15 days (N = 10).</p>*<p>Tukey-Kramer HSD value here shows significant difference between the sim132 <i>D. simulans</i> strain and introgression strains, taking into account multiple testing. It is equal to Abs(Mean[i]-Mean[j])-LSD. The value must be positive to be significant at <i>P-value</i><0.05. NS = not significant. All analyses were performed using JMP software (SAS). 25H line was lost before it could be tested.</p