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Glenn Kohler

Entomologist Washington Department of Natural Resources

In August, an outbreak of western blackheaded budworm (Acleris gloverana) was spotted southeast of Mineral on the south edge of the Tahoma State Forest. more »

Oct 7, 2013 12:00 AM Guest Columns

Throughout western Washington this spring, the needles on many young conifer trees have suddenly turned red. more »

Jul 2, 2013 12:00 AM Features