Archive - California Agriculture
Forest Pest Insects in North America: a Photographic Guide
Christmas tree (Douglas-fir)-Douglas-fir needle midge | Pacific Northwest Pest Management Handbooks
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
Forest Pest Insects in North America: a Photographic Guide
Douglas fir needle midge damage showing up in Christmas tree plantations - MSU Extension
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
Norway spruce shoot gall midge (Piceacecis abietiperda ) on Norway spruce (Picea abies ) - 5558373
/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
Douglas-fir Needle Midge
Christmas tree (Douglas-fir)-Douglas-fir needle midge | Pacific Northwest Pest Management Handbooks
Fir galls
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
What are these abnormal growths on my spruce tree? — Shadywood Tree Experts and Landscaping
Christmas tree scouting report - May 18, 2022 - Christmas Trees
Eastern White Pine (Pinus strobus)
Tall Fir Trees for Cycles - Blender Market
Branch flagging caused by jack pine resin midge
Branch flagging caused by jack pine resin midge
Pitch Gall Midges | NC State Extension Publications
PDF) Resin midges in Monterey pine Christmas trees
Pine Pitch Canker | Mauget
Christmas tree scouting report - May 18, 2022 - Christmas Trees
Sampling Methods for Forest and Shade Tree Insects of North America Vols. I and II - Spruce Gall Midge
Douglas-fir Needle Midge in Christmas Trees - YouTube
