Gut microbiome (not Wolbachia) defines mate choice in flies
" Overall, we did not find an effect of Wolbachia on female attractiveness or male mate choice, but we observed variable effects of naturally occurring microbiota on female attractiveness, depending on host genotype, where altering the microbiota decreased attractiveness in some lines, but increased it in others" https://onlinelibrary.wiley.com/doi/10.1111/jeb.12788