From: Evolution of male genitalia: environmental and genetic factors affect genital morphology in two Drosophila sibling species and their hybrids
Shape variables
Genital size
D. koepferae
D. buzzatii
F1 Hybrids
PC1
-0.08
-0.17*
0.61*
PC2
-0.07
0.45*
-0.21
PC3
-0.03
0.24*
0.1
PC4
0.02
0.16*
0.14
PC5
0.03
0.01
-0.02
Total allometric shape variance (%)
0.0
16.6
30.7