Table 2 Statistics of the deviation of the observed BC distributions of diurnal and lunar emergence times from expected distributions based on genetic models for different numbers of genes.

1

0.18

0.17

0.135

0.048

0.16

0.06

2

0.04

0.17

0.048

0.048

0.04

0.06

3

0.06

0.17

0.079

0.048

0.05

0.06

4

0.14

0.17

0.087

0.048

0.03

0.06

5

0.09

0.17

0.080

0.048

0.06

0.06

6

0.10

0.17

0.107

0.048

0.05

0.06

If D is larger than D_0.05, the hypothesis is rejected at the 5% level.

Genetic models which are rejected are given in bold numbers.

b) Chi-Square test for independence (G-test)

Nr of genes

Diurnal rhythm

Lunar rhythm

BC

n = 62

BC (Neumann 1967)

n = 816

BC

n = 487

G

P

G

P

G

P

1

25.66

0.004

80.53

8.7*10 ^-12

97.90

5.4*10 ^-13

2

5.54

0.85

26.12

0.02

22.58

0.21

3

3.70

0.96

39.61

0.0002

15.91

0.60

4

4.33

0.93

63.43

1.3*10 ^-8

12.08

0.84

5

6.18

0.80

79.50

1.4*10 ^-11

22.33

0.22

6

10.71

0.38

147.16

7.7*10 ^-25

22.00

0.23