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Table 3 Characterization of C. kingi and C. oxystoma using the loadings of PCA on 13 morphometric parameters

From: Morphological and molecular differentiation between Culicoides oxystoma and Culicoides kingi (Diptera: Ceratopogonidae) in Tunisia

Parameter

Principal component

 

PC1

PC2

PC3

PC4

PC5

Length of the 8 basal segments

0.904

0.085

0.003

0.144

0.067

Wing length

0.720

0.356

0.297

0.012

0.368

Wing width

0.653

0.385

0.409

0.063

0.244

Length of flagellomere 11

0.613

0.372

0.314

−0.101

0.023

Width of the third palpus

0.540

0.418

0.093

0.366

0.107

Spermatheca 1 length

0.045

0.814

0.061

−0.158

0.205

Length of the flagellar segment

0.240

0.718

0.211

0.047

−0.040

Length of flagellomere 10

0.267

0.512

−0.107

0.362

0.311

Spermatheca 2 width

0.107

0.001

0.885

−0.016

0.183

Spermatheca 2 length

0.259

0.439

0.633

0.176

−0.183

Length third palpus

0.101

−0.044

0.001

−0.842

0.097

Length of the space of the 2 sensilla up the eye

−0.035

−0.314

0.306

0.534

0.360

Spermatheca 1 width

0.101

0.161

0.084

−0.010

0.872

  1. Rotation method: varimax with Kaiser normalization