Diptera 56 Drosophilidae Drosophila buzzatii 36 Cactaceae 32 fly 24 Drosophila 20 host plant 16 Animals 14 animal 14 article 14 fitness 14 Cactus 12 Drosophila antonietae 12 Drosophila koepferae 12 Opuntia 12 adaptation 12 cactus 12 genetics 12 phenotypic plasticity 12 Animalia 10 Argentina 10 Body size 10 Developmental time 10 Drosophila gouveai 10 Drosophila melanogaster 10 Phenotypic plasticity 10 body size 10 repleta group 10 wing morphology 10 Invertebrata 8