Table 1 The effect of species and trait size on trait shape

From: Female genitalia can evolve more rapidly and divergently than male genitalia

Trait

 

Effect

F

df

P value

Pygidium

PC1

Species

28.62

32, 122

<0.001

  

Trait size

0.86

1, 122

0.355

 

PC2

Species

39.61

32, 122

<0.001

  

Trait size

1.25

1, 122

0.266

Aedeagus

PC1

Species

33.88

32, 114

<0.001

  

Trait size

0.01

1, 114

0.930

 

PC2

Species

7.29

32, 114

<0.001

  

Trait size

0.46

1, 114

0.499

Foretibia

PC1

Species

17.45

32, 224

<0.001

  

Sex

70.31

1, 224

<0.001

  

Trait size

0.70

1, 224

0.402

 

PC2

Species

6.01

32, 224

<0.001

  

Sex

34.27

1, 224

<0.001

  

Trait size

0.89

1, 224

0.347

  1. Shape is described by the first two major axes of variation (Principle Components) in size-normalized coefficients that describe the outline of each trait
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