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Table 5 The eigenvalues, percent variance and cumulative variance of the axes from the principal component analysis of 15 morphometric measurements of C. obsoletus and C. scoticus

From: Morphometric discrimination of two sympatric sibling species in the Palaearctic region, Culicoides obsoletus Meigen and C. scoticus Downes & Kettle (Diptera: Ceratopogonidae), vectors of bluetongue and Schmallenberg viruses

Axis (principal component)

Initial eigenvalues

Total

% of Variance

Cumulative %

1

5.142

34.283

34.283

2

3.991

26.608

60.891

3

1.592

10.610

71.501

4

0.812

5.412

76.913

5

0.688

4.585

81.498

6

0.664

4.424

85.921

7

0.603

4.020

89.941

8

0.433

2.886

92.827

9

0.399

2.657

95.484

10

0.212

1.411

96.895

11

0.182

1.213

98.108

12

0.114

0.758

98.866

13

0.102

0.683

99.548

14

0.054

0.359

99.907

15

0.014

0.093

100.000