Table 2 Sex ratios of F1 and F2 broods in the 10 lineages that were perpetuated for the 2008 experiment (labelled according to F0 dam ID)

From: Incomplete offspring sex bias in Australian populations of the butterfly Eurema hecabe

Lineage ID

F1 offspring M:F (%F)

F2 broods

  

N

M:F (%F)

Sum

(a) Port Douglas population

 P5

5:19 (79.2) a

3

2:24 (92.3)

14:36 (72.0)

   

9:10 (52.6)

 
   

3:2 (60.0)

 

 P14

4:19 (82.6)a

3

3:7 (70.0)

6:14 (70.0)

   

1:6 (87.5)

 
   

2:1 (33.3)

 

 P16

1:7 (87.5)

2

1:16 (94.1)

2:16 (88.9)

   

1:0 (0.0)

 

 P19

7:16 (69.6)

2

13:12 (48.0)

16:13 (44.8)

   

3:1 (25.0)

 

 P21

4:15 (78.9)b

2

1:4 (80.0)

3:4 (57.1)

   

2:0 (0.0)

 

 P24

8:12 (60.0)

1

2:9 (81.8)

2:9 (81.8)

 P32

2:18 (90.0)a

2

2:3 (60.0)

3:4 (57.1)

   

1:1 (50.0)

 

(b) Cairns population

 C15

7:16 (69.6)

1

1:0 (0.0)

1:0 (0.0)

 C25

4:20 (83.3)a

3

3:3 (50.0)

4:5 (55.5)

   

0:2 (100)

 
   

1:0 (0.0)

 

 C20

6:14 (70.0)

1

4:4 (50.0)

4:4 (50.0)

 Sum

48:156 (76.5)

20

 

55:105 (65.6)

  1. Abbreviations: ‘M’=male, ‘F’=female. Lineages highlighted in bold type contributed to subsequent generations. For F1 broods.
  2. aP<0.05 according to the simultaneous test procedure.
  3. bP<0.05 according to the exact binomial test.