Larva of Douglas-fir needle midge, Contarinia pseudotsugae, exposed in its mine.

Larva of Douglas-fir needle midge exposed in its mine. Credit: Ward Strong, BC Ministry of Forests, Bugwood.org<br />Licensed under a <a href="https://creativecommons.org/licenses/by-nc/3.0/us/">Creative Commons Attribution-Noncommercial 3.0 License</a>
Credit: Ward Strong, BC Ministry of Forests, Bugwood.org
Licensed under a Creative Commons Attribution-Noncommercial 3.0 License