Abstract
Abstract The 1985 southern pine beetle (SPB) epidemic in Texas was the worst in the state's history, resulting in a loss of almost 810 million board feet (mmbf) of timber. National forestlands experienced five times more damage per acre than private lands in 1985. The Sam Houston National Forest and three units of the Big Thicket National Preserve were worst hit, with almost 16 and 10 SPB spots per 1,000 ac, respectively. Private lands located near public lands experienced higher SPB spot densities than on other private lands. Examination of factors influencing SPB outbreak intensity—including stand structure, direct SPB control measures, and the overall aggressiveness of pest control management—suggest early and aggressive mechanical control on public lands to minimize losses on nearby private lands as a short-term strategy. Further suggestions include spatial considerations in hazard rating systems. South. J. Appl. For. 15(3):145-153.
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