Multiple Seed and Cone Insects
Barbara colfaxiana (Kearfott), Lepidoptera: Tortricidae
Contarinia oregonensis Foote, Diptera: Cecidomyiidae
Dioryctria abietivorella (Grote), Lepidoptera: Pyralidae
Lepesoma lecontei (Casey), Coleoptera: Curculionidae
Megastimus spermotrophus (Wachtl), Hymenoptera: Torymidae
- Dombrosky, S. A.; Schowalter, T. D. 1988. Inventory monitoring for estimating impact of insects on seed production in a Douglas-fir seed orchard in western Oregon. Journal of Economic Entomology 81: 281-285. - New Window
- Fogal, W. H.; Larocque, G. 1992. Development of flowers, cones, and seeds in relation to insect damage in two white spruce communities. Forest Ecology and Management 47: 335-348. - New Window
- Kozak, A. 1964. Sequential sampling for improving cone collection and studying damage by cone and seed insects in Douglas fir. Forestry Chronicle 40: 210-218. - New Window