Two-year-cycle Spruce Budworm
Choristoneura biennis (Freeman)
Lepidoptera: Tortricidae
- Harris, J.W.E. 1963. Sampling the egg stages of the two-year-cycle spruce budworm near Babine Lake, British Columbia. Forestry Chronicle 39: 199-204. - New Window
- Nealis, V. G.; Turnquist, R. 2003. Predicting defoliation by Choristoneura biennis (Lepidoptera: Tortricidae). Canadian Entomologist 135: 903-907. - New Window