Ключевые слова: agricultural, aspect, attack, background, bad, bark, bark beetle, beetle, biological, book, condition, cover, cutting, ecology, europe, example, felling, fight, forest, forestry, good, habitat, host, human, insect, ips typographus, label, management, monoculture, natural, old, outbreak, permaculture, pest, pine, practice, principle, risk, spruce, storm, sun, system, tall, threat, tick control, tragedy, tree, tree damage, typographus, war,