Citation: Ad. Dymerski et al., Spruce beetle (Dendroctonus rufipennis) outbreak in Engelmann spruce (Picea engelmannii) in central Utah, 1986-1998, WEST N AM N, 61(1), 2001, pp. 19-24
Citation: Jf. Negron et al., Within-stand spatial distribution of tree mortality caused by the Douglas-fir beetle (Coleoptera : Scolytidae), ENV ENTOMOL, 30(2), 2001, pp. 215-224