the worldwide very rare walker, pine chafer, polyphylla fullo, on a leaf

animal walker melolonthinae scarabaeidae türkischer maikäfer blatthornkäfer pine chafer polyphylla fullo nature beetle insect bug conservation protection environment spring springtime spring-time summer fauna wildlife macro close-up closeup pest parasite infestation wild forest garden ecosystem rare rarity biology zoology big science scientifical crawl crawling entomology leaf plant sunflower worldwide very