STUDY DIVERSITY. “From an evolutionary viewpoint, flies are highly modified crustaceans, so why not study a ‘real’ crustacean to start with? If insects are preferred, there are water striders, cockroaches and midges that can tell us more about this incredibly diverse group. Insects make up at least 90% of all the species of animals on earth.”
http://extavourlab.com/pdfs/papers/2016_Extavour_CurrOpGenetDev.pdf