For species protection reasons, finding places of butterflies on maps are accidentally moved by a maximum of 1 kilometers. BrimstoneGonepteryx rhamni (Linnaeus, 1758)Common BrimstoneBrimstone Very young caterpillar of a Brimstone (Gonepteryx rhamni) on a Alder Buckthorn (Rhamnus frangula)-leaf in the Kottenforst Photograph: Ingo DanielsIngo Daniels; Bonn, GermanyBonn, GermanyGermany (15. May 2023, 07:24 PM) Larger map with photo location (OpenStreetMap)