gonepteryx rhamni pieridae brimstones butterfly. yellow butterfly collecting nectar from pink flower shows scientific pollination

animal beauty biology bloom blooming blossom blossoms bright brimstones bug butterfly closeup collecting collection color common delicate detail flora floral flower gonepteryx insect invertebrate little macro marmorbrukets natural nature nectar petal petals pieridae pollen pollinate pollinating pollination pollinator rhamni science scientific spring sucking summer sweden wildflower wing winged wings yellow