Measurement Species Mean Standard Minimum Maximum Deviation Max Head vitripennis 0.647 0.060 0.473 0.726 Width (MHW) giraulti 0.600 0.056 0.459 0.674 Head Length vitripennis 0.439 0.039 0.323 0.493 (HL) giraulti 0.439 0.036 0.344 0.489 Cheek Base vitripennis 0.238 0.029 0.156 0.293 (FE) giraulti 0.253 0.025 0.194 0.292 Cheek Height vitripennis 0.035 0.005 0.022 0.044 (FEP) 0.062 0.006 0.049 0.074 giraulti Maximum vitripennis 0.403 0.035 0.300 0.444 Interocular giraulti 0.372 0.029 0.302 0.411 (MIO) Head Length/ vitripennis 0.678 0.013 0.639 0.702 Head giraulti 0.732 0.015 0.705 0.780 Cheek Size vitripennis 0.146 0.011 0.125 0.167 (FEP/FE) giraulti 0.246 0.011 0.227 0.276 Table S1. Head measurements in parental species males (units in mm). Locations of measurements on the head are shown in Figure 1.
Measurement Species Mean Standard Deviation Minimum Maximum Max Head Width vitripennis 0.647 0.060 0.473 0.726 (MHW) giraulti 0.600 0.056 0.459 0.674 Head Length vitripennis 0.439 0.039 0.323 0.493 (HL) giraulti 0.439 0.036 0.344 0.489 Cheek Base vitripennis 0.238 0.029 0.156 0.293 (FE) giraulti 0.253 0.025 0.194 0.292 Cheek Height vitripennis 0.035 0.005 0.022 0.044 (FEP) giraulti 0.062 0.006 0.049 0.074 Maximum vitripennis 0.403 0.035 0.300 0.444 Interocular (MIO) giraulti 0.372 0.029 0.302 0.411 Head Length/ vitripennis 0.678 0.013 0.639 0.702 Head giraulti 0.732 0.015 0.705 0.780 Cheek Size vitripennis 0.146 0.011 0.125 0.167 (FEP/FE) giraulti 0.246 0.011 0.227 0.276 Table S1. Head measurements in parental species males (units in mm). Locations of measurements on the head are shown in Figure 1.