Part of a forest with trees infested by bark beetles in the Passeier Valley, South Tyrol, Italy

bark bettles infested bark beetles infested trees dead trees dead forest nature environment environmental damage beetles scolytinae curculionidae genus scolytus european elm bark beetle ips typographus passeier valley passiria south tyrol south tirol italy europe plant flora dry old death natural wild outdoor outdoors outside vegetation green conifers coniferous infestation deadly