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Table 3 Median stage of development of male and female S. poulsonii uninfected D. nebulosa embryos of ages 4–24 h AEL. () = number of embryos. Wilcoxon test results compare male and female development stage.

From: The pathology of embryo death caused by the male-killing Spiroplasma bacterium in Drosophila nebulosa

Cohort (h AEL) Median stage of embryonic development Wilcoxon test results Significance
  Male Female   
4–6 8 (39) 8 (40) 1531 0.749
6–8 10 (42) 10 (35) 1688 0.581
8–10 11 (82) 11 (80) 6356 0.243
10–12 11 (13) 12 (13) 170 0.761
12–14 14 (39) 13 (39) 1642 0.282
14–16 13.5 (40) 14 (34) 1291 0.0264
16–18 14 (25) 15 (19) 40.5 0.0001
18–20 17 (21) 17 (28) 5075 0.4083
20–22 17 (2) 17 (5) N/A -
22–24 17 (4) 17 (5) N/A -