Pine butterflies catch attention of Northeast Oregon pine tree owners

Pine butterflies, which are native to the region, are showing up in increasing numbers this year. Scientists say they can be responsible for defoliating pine trees.

LA GRANDE - Many landowners in Northeastern Oregon are concerned about the little white butterflies they see flying around their pine trees.

Paul Oester, Oregon State University Extension forester in Union County, said they are pine butterflies, which are native to the region. Before the past couple of years, they were not considered a threat to pine trees.

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