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Bark beetles lay their eggs in the inner bark, or phloem. When the larvae emerge, they eat their way outward and eventually drill through the outer bark, causing the galleries and holes pictured. (Photo by L. Shyamal, Creative Commons 3.0 https://goo.gl/3Zc655)

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The bright flames of a raging wildfire and the aftermath it leaves behind may cause many to think that the biggest forest danger in the west is unrestrained fire, but the reality is actually much quieter and much, much smaller.

By Erin Ford February 20, 2018