Table 1.
The mean number of the emerged D. melanogaster adults. Mean number (±SE) of emerged adults and average percentage (±SE) of the residual fertility at the different treatment doses (Gy).
Table 2.
Irradiation effect on D. melanogaster male sterility. GLM model values are shown. Values in boldface indicate significant differences (p < 0.05).
Fig 1.
Irradiation effect on D. melanogaster male sterility.
The number of D. melanogaster adults emerged from fertile females and irradiated males. Different letters mean significant differences by Tukey Multiple Comparison tests (p < 0.05).
Table 3.
Pairwise comparison of adult longevity across treatments. P-values from pairwise comparisons between control conditions and irradiation doses. Values in boldface indicate significant differences (p < 0.05).
Fig 2.
Irradiation effect on D. melanogaster male longevity.
Kaplan-Meier curves showing the effect of different irradiation doses on the longevity of D. melanogaster males.
Table 4.
Irradiation effect on D. melanogaster male courtship time in “no-choice” condition. GLM model values are shown. Values in boldface indicate significant differences. D. suz = Drosophila suzukii; D. mel = Drosophila melanogaster.
Fig 3.
Courtship comparison in the “no-choice” trials.
Courtship of D. suzukii males toward D. suzukii females (pink column); courtship of D. melanogaster males toward D. suzukii females at different irradiation doses (blue, green and orange columns). *** Tukey’s multiple com-parison tests p < 0.001; ** Tukey’s multiple comparison tests p < 0.01; * Tukey’s multiple comparison tests p-value < 0.05. Black dots are box-plot outliers.
Table 5.
Irradiation effect on D. melanogaster male courtship time in “choice” condition. GLM model values are shown. Values in boldface indicate significant differences. D. suz = Drosophila suzukii; D. mel = Drosophila melanogaster.
Fig 4.
Courtship comparisons in “choice” trials.
Time spent courting D. suzukii females by D. suzukii males and irradiated D. melanogaster males at 80, 160 and 180 Gy. D. suz = D. suzukii males (pink columns); D. mel 80 Gy = D. melanogaster males irradiated at 80 grey (blue column); D. mel 160 Gy = D. melanogaster males irradiated at 160 grey (green column); D. mel 180 Gy = D. melanogaster males irradiated at 180 grey (orange column). Black dots are box-plot outliers. * Tukey’s multiple comparison tests p-value < 0.05; ** Wilcoxon rank sum test p < 0.01.