calamity spruce bast bark wood beetle pest ips typographus infestation, tree infested attacked by european spruce, making way wood

attacked bark bast beetle burrow bushgrass calamagrostis calamity caused chop closeup cut cutting cycle dead deforestation detail down ecological environment epigejos europe european forests hole infestation infested insects ips larva larvae logging opening part pest phloem planting pupa salvage scolytinae small smallreed spruce stands stump tree trees typographus way wood