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Six-Toothed Spruce Engraver

Pityogenes chalcographus (Linnaeus)
Six Toothed Spruce Engraver Six Toothed Spruce Engraver Six Toothed Engraver Six Toothed Engraver Six Toothed Engraver
Lehrstuhl Angew, Zoologie
Hosts:

The six-toothed spruce bark beetle is associated principally with spruce, but recorded from the following hosts as well: fir, pine, larch, and infrequently, Douglas-fir. Its specific host, Norway spruce, a Christmas tree and the most widely planted ornamental in the U.S. It is also associated with Scotch pine, another Christmas tree.

 

Commodities Affected:
Forestry and Natural Areas, Nursery, Ornamentals, and Turf

 

Threat:

The six-toothed spruce bark beetle is considered a secondary pest of conifers, but is capable of damaging live trees when their numbers are high. It also is a secondary pest of stems and crowns of weakened trees.

 

Distribution:

The six-toothed spruce bark beetle is not known to occur in Indiana.