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Table 2 The analyses of the multivariate general liner models on male morphological variables.

From: Convergent and divergent patterns of morphological differentiation provide more evidence for reproductive character displacement in a wood cricket Gryllus fultoni(Orthoptera: Gryllidae)

  

G. fultoni

G. vernalis

Source

Variable

df

Mean Square F P

df

Mean Square F P

Zone

Head Width

2

0.442 4.440 0.013

1

0.552 6.179 0.016

 

Thorax Length

2

0.787 3.850 0.023

1

0.137 1.012 0.319

 

Hind Femur Length

2

2.717 4.475 0.013

1

0.948 1.309 0.257

 

Harp Area

2

1.113 0.769 0.465

1

0.792 1.428 0.237

 

Mirror Area

2

1.197 3.244 0.042

1

1.863 9.359 0.003

 

Number of Teeth in a File

2

65.797 0.793 0.454

1

286.720 1.920 0.171

Latitude

Head Width

1

0.666 6.688 0.011

1

0.437 4.887 0.031

 

Thorax Length

1

0.556 2.721 0.101

1

0.046 0.341 0.562

 

Hind Femur Length

1

2.166 3.568 0.061

1

0.159 0.220 0.641

 

Harp Area

1

2.191 1.515 0.220

1

0.691 1.246 0.269

 

Mirror Area

1

0.546 1.481 0.225

1

1.704 8.558 0.005

 

Number of Teeth in a File

1

142.861 1.748 0.188

1

410.985 2.753 0.102

Longitude

Head Width

1

0.033 0.333 0.565

1

0.024 0.269 0.606

 

Thorax Length

1

0.148 0.724 0.396

1

0.050 0.370 0.546

 

Hind Femur Length

1

0.523 0.862 0.355

1

0.365 0.504 0.480

 

Harp Area

1

0.069 0.048 0.827

1

0.470 0.848 0.361

 

Mirror Area

1

< 0.001 < 0.001 0.998

1

0.011 0.055 0.816

 

Number of Teeth in a File

1

4.597 0.056 0.813

1

327.734 2.195 0.144

Elevation

Head Width

1

1.609 16.146 < 0.001

1

0.451 5.053 0.028

 

Thorax Length

1

4.762 23.300 < 0.001

1

0.085 0.006 0.937

 

Hind Femur Length

1

1.431 2.357 0.127

1

0.339 0.468 0.497

 

Harp Area

1

2.304 1.593 0.209

1

4.192 7.558 0.008

 

Mirror Area

1

1.074 2.913 0.090

1

1.915 9.618 0.003

 

Number of Teeth in a File

1

151.037 1.848 0.176

1

3.610 0.024 0.877

Error

Head Width

158

0.100

58

0.089

 

Thorax Length

158

0.204

58

0.135

 

Hind Femur Length

158

0.607

58

0.724

 

Harp Area

158

1.446

58

0.555

 

Mirror Area

158

0.369

58

0.199

 

Number of Teeth in a File

158

81.724

58

149.305

  1. The analyses were conducted separately for G. fultoni (n = 164) and G. vernalis (n = 63). The predictor variable was zone, and covariates were latitude, longitude, and elevation. Numbers in bold indicate significance at the level of 0.05.