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The
mountain pine beetle population has nearly doubled each
year since the mid 1990s. Vast numbers of lodgepole
pine and ponderosa pine forests have been attacked in
several Colorado counties.
About
the size of a match head, the IPS beetle is responsible
for the destruction of as much as 50% of piñon
and other pines in some areas of west and southwest
Colorado. Larger infestations have occurred in Arizona
and New Mexico.
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