Foliage browning from feeding inside of needles by larvae of Douglas-fir needle midge, <i>Contarinia pseudotsugae</i>.
Foliage browning from feeding inside of needles by larvae of Douglas-fir needle midge, Contarinia pseudotsugae.
Credit: USDA Forest Service - Northern and Intermountain Region, Bugwood.org
Licensed under a Creative Commons Attribution 3.0 License