Cactaceae 8 Diptera 8 Drosophila antonietae 8 Drosophila gouveai 8 Drosophilidae 8 fly 8 host plant 8 phenotypic plasticity 8 Cactus 6 Phenotypic plasticity 6 Pilosocereus 6 divergence 6 Cereus (angiosperm) 4 Cereus hildmannianus 4 Drosophila buzzatii 4 Geometric morphometrics 4 Morphological evolution 4 Neotropical region 4 cactus 4 evolution 4 morphology 4 morphometry 4 speciation (biology) 4 wing morphology 4 Aedeagus 2 Animalia 2 Cactophilic Drosophila 2 Developmental time 2 Drosophila repleta 2 Fourier descriptors 2