Cobayes is a graphic story that puts let's face the most massive extinction episode in light of the ambiguous relations of the dead beings of the dinosaurs. Faced with this observation, this human project vis-à-vis insects. In 2019, a scientific journal publishes a global analysis report on the state of the European and North American insect population. The results are chilling. According to these experts, we are facing the most massive extinction event since the death of the dinosaurs. This project bears witness to the silent disappearance of insects, through five stories in images.