Control of cone worm, Dioryctria abietella Denis and Schiffermueller (Lepidoptera: Pyralidae) in seed production areas of spruce, Picea smithiana Boiss by systemic insecticides.

Bhandari, R. S., Swati Pande, Joshi, M. C., Zaidi, S. M. H., Rawat, J. M. S., Vinod Kumar, (2006). Indian Forester 132(8), 1041-1046. Indian Forester, Dehra Dun, India. English language

Chemical control of cone worm, Dioryctria abietella, infesting cones of Silver fir (Abies pindrow) by systemic insecticides.

Bhandari, R. S., Joshi, M. C., Zaidi, S. M. H., Rawat, J. M. S., (2003). Indian Forester 129(3), 401-406. Indian Forester, Dehra Dun, India. English language

Host plants influence parasitism of forest caterpillars.

Lill, J. T., Marquis, R. J., Ricklefs, R. E., (2002). Nature (London) 417(6885), 170-173. Nature Publishing Group, London, UK. English language

Cone and seed insects and their impact on whitebark pine.

Kegley, S., Sturdevant, N., Stein, J., Willhite, B., Flanagan, P., Weatherby, J., Marsden, M., (2001). Forest Health Protection Report - Northern Region, USDA Forest Service(No.01-6), 13 pp. Northern Region, USDA Forest Service, Missoula, USA. English language

The effect of spruce cone insects on seed production in Switzerland.

Seifert, M., Wermelinger, B., Schneider, D., (2000). Journal of Applied Entomology 124(7/8), 269-278. Blackwell Wissenschafts-Verlag GmbH, Berlin, Germany. English language

Uszkodzenia nasion i szyszek jodły pospolitej Abies alba Mill. przez szkodniki w wybranych drzewostanach Świętokrzyskiego Parku Narodowego. / Injuries to seeds and cones of silver fir Abies alba Mill. from pests in selected stands of the Świętokrzyski National Park.

Bąk, J., (1999). Sylwan 143(6), 83-89. Polish language

Monitoring karpofágov šišiek a semien borovíc (Pinus spp.). / Monitoring of carpophages of pine (Pinus spp.) cones and seeds.

Kelbel, P., (1998). Lesnictví - Forestry 44(9), 406-410. Czech language

Zależność pomiędzy liczebnością nasion w szyszkach świerka pospolitego Picea abies (L.) Karst. a uszkodzeniem ich przez owady w Beskidzie Śląskim i Beskidzie Żywieckim. / Relationships between the number of seeds in the cones of Norway spruce Picea abies (L.) Karst. and their damage by insects in the Beskid Śląski Mountains and the Beskid Żywiecki Mountains.

Skrzypczyńska, M., Kozioł, M., Kosibowicz, M., (1998). Sylwan 142(9), 33-41. Polish language

Survival and fecundity of three insects reared on four varieties of Scotch pine Christmas trees.

Eliason, E. A., McCullough, D. G., (1997). Journal of Economic Entomology 90(6), 1598-1608. English language

Cone and seed insect phenology in a Douglas-fir seed orchard during three years in western Oregon.

Schowalter, T. D., (1994). Journal of Economic Entomology 87(3), 758-765. English language