a brimstone butterfly gonepteryx rhamni sitting on a flower in nature

animal antenna beautiful biodiversity blooming blossom brimstone butterfly climate close closeup color colorful environment environmentalism flora floral flower garden germany gonepteryx green idyllic insect insecticide invertebrate macro nature nectar outdoors pesticide petal photography pieridae pink plant pollen pollination pollinator proboscis protect purple rhamni season sitting summer sunlight vetch wing