An innovative ovipositor for niche exploitation impacts genital coevolution between sexes in a fruit-damaging .

Limited attention has been given to ecological factors influencing the coevolution of male and female genitalia. The innovative ovipositor of , an invading fruit pest, represents an appealing case to document this phenomenon. The serrated saw-like ovipositor is used to pierce the hard skin of ripening fruits that are not used by other fruit flies that prefer soft decaying fruits.