EPPO Global Database

Contarinia pseudotsugae(CONTPS)

Distribution details in United States of America

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2016: Present, restricted distribution
References
* INTERNET
Forest Pest Insects in North America: a Photographic Guide by G Van Driesche, J LaForest, C Bargeron, R Reardon, M Herlihy. Douglas-fir needle midge. http://www.forestpests.org/vd/484.html

* Furniss RL, Carolin VM (1977) Western Forest Insects. USDA-Forest Service. Miscellaneous Publication no. 273, 654 pp.

* O’Donnell J (2010) Predicting and timing of control for Douglas-fir needle midge in Michigan. In: Hart J, Landgren C, Chastagner G (eds.) Proceedings of the 9th International Christmas Tree Research and Extension Conference (Corvallis and Puyallup, US, 2009-09-13/18), 84-87. http://www.iufro.org/download/file/5640/4502/20209-ctre-proceedings-09_pdf/
Situation in neighbouring countries
Country State Status
Canada Present, restricted distribution view...
Canada British Columbia Present, no details view...
Mexico Present, no details view...