Clelia Oliva, head of the company Terratis, observes the rearing of tiger mosquito larvae in Montpellier, southern France, on June 5, 2026. The Terratis startup located in Montpellier produces sterile male tiger mosquitoes which, once released, mate with females and lay unfertilized eggs, as part of an effort to limit the proliferation of the species that carries several diseases. (Photo by Sylvain THOMAS / AFP via Getty Images)