Table 2 Loadings and explained variance of the first two PC of the PCA conducted on the “standardized” size of sclerites

Variance (%)

47.85

15.94

I (I)

−0.873132

−0.389889

III (VI)

−0.535295

−0.709933

IV (VII)

−0.352651

−0.638280

V (IV)

0.032798

−0.186986

VI (III)

−0.242397

−0.753181

VII (II)

−0.383708

−0.825743

DB L

−0.805421

−0.199626

DB y

−0.705113

−0.021445

DB w

−0.838653

0.044545

DB h

−0.797425

0.231792

DA a

−0.954211

0.212423

b

−0.935548

0.165900

c

−0.700350

0.015457

d

−0.864610

0.324455

e

−0.416138

0.547829

VB x

−0.926706

0.077698

VB w

−0.790515

0.033730

VA a

−0.931174

−0.004236

b

−0.933118

0.063475

c

−0.532477

−0.117323

d

−0.720919

0.190484

e

−0.586523

0.488463