Several types of conifer bark beetles, including Western Pine Beetle, Mountain Pine Beetle, Douglas-fir Beetle, Red lurpentine Beetle, Spruce Beetle, Fir Engraver, and several IPs engraver beetles, are known to attack and kill western conifers (pine, spruce, and fir) during periods of environmental stress. These beetles bore into the cambium in large groups and disrupt […]
