Choristoneura occidentalis occidentalis(ARCHOC)
Distribution details in United States of America (Arizona)
Current pest situation evaluated by EPPO on the basis of information dated
1994: Present, no details
* Clancy, K. M.; Wagner, M. R.; Tinus, R. W. (1988) Canadian Journal of Forest Research 18 (5), 530-539.
* Furniss RL, Carolin VM (1977) Western Forest Insects. USDA , Forest Service Miscellaneous Publication no. 1339, 654 pp.
* Wagner, M. R.; Blake, E. A. (1983) General Technical Report, Northeastern Forest and Range Experiment Station, USDA Forest Service No. NE-85, 49-54.
* Furniss RL, Carolin VM (1977) Western Forest Insects. USDA , Forest Service Miscellaneous Publication no. 1339, 654 pp.
* Wagner, M. R.; Blake, E. A. (1983) General Technical Report, Northeastern Forest and Range Experiment Station, USDA Forest Service No. NE-85, 49-54.
| Country | State | Status | |
|---|---|---|---|
| Canada | Present, restricted distribution | ||
| Canada | Alberta | Present, restricted distribution | |
| Canada | British Columbia | Present, restricted distribution |