Douglas-fir Beetle

Coleoptera: Scolytidae Dendroctonus pseudotsugae Hopkins
 

aerial view of tree mortality 1 ground view of tree mortality aerial view of tree mortality 2 attacked tree
Tree mortality
Umpqua NF, OR
July 1959
P.W. Orr		 Fading trees
Carson, WA
D.W. Johnson		 Tree mortality Attacked tree
August 1955
R.L. Furniss

This webpage was reformatted on May 27, 2008.