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Forest Service Pictures
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Mountain Pine Beetle Identification
 
Figure
1: Adult Dendroctonus (left) versus Ips (right). Note
gradually curved wing of Dendroctonus. Actual size of Dendroctonus
from 1/8 to 1/3 inch, Ips 1/3 to 1/4 inch.
Figure 2: "Pitch tubes"
indicating trunk attacks by MPB. Success of the attacks is confirmed by looking
under the bark with a hatchet for beetles, their tunnels and/or bluestaining.
Figure 3: Top view of adult MPB (actual size, 1/8 to 1/3
inch).
Source: Colorado State University Extension Bulletin
No. 5.528
Dwarf Mistletoe Identification
Ponderosa Pine Mistletoe
Lodgepole Pine Mistletoe
Source: Colorado State University
Extension Bulletin No. 2.925
 
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