Birch trees and bird vetch prompt slew of questions in Interior Alaska

Fairbanks, Alaska, United States

There has been an outbreak in Fairbanks of the amber-marked birch leaf miner (Profenusa thomsoni), an insect that came to North America in the early 1900s and arrived in Fairbanks by about 2002.

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Birch Leaf Miner
forestryimages.org
Bird Vetch
flickr.com