SCP-2989-A and SCP-2989-B are a pair of organisms resembling a Japanese Emperor caterpillar and an Orange Spicebush Swallowtail caterpillar, respectively. SCP-2989 instances will periodically undergo spontaneous spatio-temporal shifts, relocating to a seemingly random point in time at either Site-2989-α or Site-2989-β. In order to trigger these shifts, SCP-2989 instances will enter their pupal stages, at which point the instances will dematerialize and rematerialize outside of its chrysalis at