Ponderosa Pine Resin Midge - Field Guide to Insects and Diseases of AZ and NM Forests
Douglas fir needle midge damage showing up in Christmas tree plantations - MSU Extension
Branch flagging caused by jack pine resin midge
/cloudfront-us-east-1.images.arcpublishing.com/gray/4G4XW3DTTNBXNC42TUQIRFXJLE.jpg "Your Christmas tree will cost more this year")
Your Christmas tree will cost more this year
What are these abnormal growths on my spruce tree? — Shadywood Tree Experts and Landscaping
![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
Douglas-fir Needle Midge: The Twisted Menace — Plant & Pest Advisory
PDF) Resin midges in Monterey pine Christmas trees
Here's How to Identify and Prevent Common Tree Diseases | Birch Tree Care
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
Pitch Gall Midges | NC State Extension Publications
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
Forest Pest Insects in North America: a Photographic Guide
Forest Pest Insects in North America: a Photographic Guide
Eastern White Pine (Pinus strobus)
Adults of Douglas fir needle midge have begun emerging - MSU Extension
Branch flagging caused by jack pine resin midge
Douglas-fir Needle Midge
Pine Pitch Canker | Mauget
Midge Fly Galls on Baldcypress | BYGL
Norway spruce shoot gall midge (Piceacecis abietiperda ) on Norway spruce (Picea abies ) - 5558373
Christmas tree scouting report - May 18, 2022 - Christmas Trees
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
