Table 2 Summary of studies of Haldane's Rule since 1996, as well as totals when combined with Coyne and Orr (2004), after removal of any overlap. (for a full list, see Supplementary Table 1)

From: Haldane's rule in the 21st century

Taxon

Sex determination

 

This study: N (obeying Haldane′s Rule)

This study: N (not obeying HR)

Coyne and Orr, 2004 (based on Coyne, 1992) N (obeying HR)

Total obeying

Mammalia

Male heterogamety

Sterility

9

0

25

34

  

Inviability

4

0

1

5

Aves (birds)

Female heterogamety

Sterility

3

1

21

24

  

Inviability

215

2

30

245

Reptilia

Female heterogamety

Sterility

0

1

 

0

  

Inviability

1

0

 

1

Amphibia

Multiple

Sterility

0

1

 

0

  

Inviability

66

28

 

66

Teleostei (fish)

Multiple

Sterility

5

0

 

5

  

Inviability

6

37

 

6

Insecta

      

Diptera

Male heterogamety

Sterility

17

0

112

129

  

Inviability

4

1

13

17

Hemiptera

Male heterogamety

Sterility

1

0

 

1

  

Inviability

1

1

 

1

Hymenoptera

Haplodiploidy

Sterility

0

0

 

0

  

Inviability

4

0

 

4

Coleoptera

Male heterogamety

Sterility

3

0

 

3

  

Inviability

1a

1

 

1

Lepidoptera

Female heterogamety

Sterility

6

1

11

17

  

Inviability

4

1

29

33

Crustacea

Male heterogamety

Sterility

0

5

 

0

  

Inviability

0

0

 

0

Gastropoda

Female heterogamety

Sterility

0

1

 

0

  

Inviability

1

0

 

1

Nematoda

Male heterogamety

Sterility

0

0

 

0

  

Inviability

1

0

 

1

Total

 

Sterility

N=44

10 (19%)

169

213

  

Inviability

N=308

71 (19%)

73

381

  1. Abbreviation: HR, Haldane's Rule.
  2. aDeformities.