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Table 2 Median stage of development of male and female S. poulsonii infected 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 (90) 8 (85) 8025 0.705
6–8 10 (93) 10 (41) 5549 0.0062
8–10 10 (91) 11 (81) 6617 0.0001
10–12 12 (34) 14 (32) 740 0.0001
12–14 13 (37) 14 (52) 1213 0.0005
14–16 13 (56) 14 (104) 2294 0.0001
16–18 13 (92) 16 (100) 5120 0.0001
18–20 12 (75) 17 (72) 2850 0.0001
20–22 12 (170) 17 (145) 4196 0.0001
22–24 13 (14) 17 (2) 105 0.0005