The birch leafminer ate its way through birches across Southcentral and Interior Alaska this summer. Hot and dry weather earlier in summer may have been optimal for them.
Observations From Members 
:quality(70)/cloudfront-us-east-1.images.arcpublishing.com/adn/JS4KPNUAQ5FU3NFNA4JUTNS63M.jpg){kind=link}