Oregon officials have found the Mediterranean oak borer in six counties across the valley, just as another pest is killing ...
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Oregon white oaks under siege—invasive beetle ‘impossible to eradicate’ spreads across six counties
A tiny invader, no larger than a grain of rice, has burrowed into Oregon's oak forests, threatening the health of white oak ...
The Mediterranean oak borer, an invasive beetle known to transmit a sometimes fatal fungus to Oregon white oak trees, has been found in Marion and Polk counties. Summer trappings also showed that the ...
New research shows mistletoe in Oregon cities grows mainly on oaks and causes little harm, while offering food and shelter ...
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