Ключевые слова: affected, bark, beetle, bore, borers, boring, brown, california, canada, change, climate, colorado, damaged, dust, eggs, emergence, environment, evidence, forest, frass, hole, holes, infected, insect, insects, killing, larvae, macro, nature, oregon, outdoors, pattern, pest, pine, ponderosa, red, reddish, sawdust, service, small, stump, symptom, tiny, tree, tree trunk, trunk, tunnels, western, western pine, wood,