rhagoletis pomonella perched on a plant leaf. shot in forest. the apple maggot, also known as the railroad worm, is a species of

insect animal nature pest wild biology wildlife wing green macro closeup fruit fly horizontal people bug color exotic sitting invertebrate close detail red small background diptera plant drosophila fruitfly disease emotion eye gardening genetic illness infection legs live research single alert carrier crawling flora animals one rhagoletis pomonella apple manggot