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Pine Butterflies

OPB | Feb. 2, 2012 8:30 p.m.

An exceedingly rare population explosion of pine butterflies fills the Malheur National Forest with a virtual snowstorm in August. The mysterious outbreak may occur for 2 or 3 years and then disappear for 3 decades. The beauty extracts a price: the butterflies, while caterpillars, ate needles off 250,000 acres of trees.

First Broadcast: 2012
Producer: Vince Patton
Videographer/Editor: Michael Bendixen
Videographer: Nicholas Fisher

More Information
Forest Defoliators
Fact Sheet
OSU Extension 2010 Assessment
Forest Health Protection


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