Douglas-fir Needle Midge in Christmas Trees - YouTube
PDF) Resin midges in Monterey pine Christmas trees
Spruce gall midge adults emerging and laying eggs now - MSU Extension
Eastern White Pine (Pinus strobus)
![Balsam Gall Midge [fact sheet] | Extension](https://extension.unh.edu/sites/default/files/migrated_unmanaged_files/Balsam%20Gall%20Midge_Gall_Corrected,%20Ronald%20S.%20Kelley,%20Bugwood.jpg "Balsam Gall Midge [fact sheet] | Extension")
Balsam Gall Midge [fact sheet] | Extension
Tall Fir Trees for Cycles - Blender Market
Fir galls
Adults of Douglas fir needle midge have begun emerging - MSU Extension
Midge Fly Galls on Baldcypress | BYGL
Pitch Gall Midges | NC State Extension Publications
Balsam gall midge
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Branch flagging caused by jack pine resin midge
Growth dynamics of galls and chemical defence response of Pinus thunbergii Parl. to the pine needle gall midge, Thecodiplosis japonensis Uchida & Inouye (Diptera: Cecidomyiidae) | Scientific Reports
Bug Eric: Pinyon Problems? Maybe, Maybe Not
Christmas tree scouting report - May 18, 2022 - Christmas Trees
Spruce gall midge adults emerging and laying eggs now - MSU Extension
Douglas-fir Needle Midge: The Twisted Menace — Plant & Pest Advisory
Douglas-fir Needle Midge
Forest Pest Insects in North America: a Photographic Guide
Pine Pitch Canker | Mauget
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
Douglas fir needle midge damage showing up in Christmas tree plantations - MSU Extension
Christmas tree scouting report - May 18, 2022 - Christmas Trees
Ponderosa Pine Resin Midge - Field Guide to Insects and Diseases of AZ and NM Forests
Douglas-fir Needle Midge: The Twisted Menace — Plant & Pest Advisory
