Figure 2From: Evolution of male genitalia: environmental and genetic factors affect genital morphology in two Drosophila sibling species and their hybridsHybrid genital size. Mean area size (in pixels) of aedeagus of individuals reared in vials with fermenting Opuntia. Dk: Drosophila koepferae; Db: Drosophila buzzatii. Cross 3512 (●); Cross 4853 (■); Cross 4855 (◆); Cross 8832 (▲).Back to article page