Christmas tree scouting report - May 18, 2022 - Christmas Trees
Branch flagging caused by jack pine resin midge
Spruce gall midge adults emerging and laying eggs now - MSU Extension
Xtremehorticulture of the Desert: Watering Pine Trees – Water Deep!
Douglas-fir Needle 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
Douglas-fir Needle Midge | OSU Extension Catalog | Oregon State University
Douglas-fir Needle Midge
Ponderosa Pine Resin Midge - Field Guide to Insects and Diseases of AZ and NM Forests
Adults of Douglas fir needle midge have begun emerging - MSU Extension
Christmas tree (Douglas-fir)-Douglas-fir needle midge | Pacific Northwest Pest Management Handbooks
Archive - California Agriculture
Balsam gall midge
Forest Pest Insects in North America: a Photographic Guide
Pitch Gall Midges | NC State Extension Publications
Eastern White Pine (Pinus strobus)
Midge Fly Galls on Baldcypress | BYGL
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
Fir galls
Christmas tree scouting report - May 18, 2022 - Christmas Trees
Forest Pest Insects in North America: a Photographic Guide
