African fig fly (Zaprionus indianus) (top) and spotted-wing drosophila (Drosophila suzukii) (bottom) are both invasive drosophilids that have been expanding their range globally. There is a marked different in the structure of the oviscapt, with a hardened, serrated structure seen in D. suzukii. (Photo credit: Douglas G. Pfeiffer, Ph.D. Image originally published in Pfeiffer et al 2019, Journal of Integrated Pest Management.)