Brimstone butterfly (gonepteryx rhamni) close,up, feeding on buddleia flowers, tongue extended, oxfordshire, uk

terrestrial horizontals invertebrate flowers animals flowers horizontal yellow wildlife buddleia nectar cold insects extended entomology brimstone flora feeding insect english garden coliadinae ectotherms british brimstones ditrysia developed country bugs arthropoda england uk food butterfly rhamni proboscis butterfly winged ectothermic europe uk britain tongue blooded flower arthropods nature summer united kingdom papilionoidea insecta close up countryside lepidoptera gonepteryx diurnal arthropod zoology oxfordshire insect invertebrates developed countries sulphur butterflies european butterflies ectotherm pieridae bug fauna animal