Spatio-temporal analysis of Xyleborus glabratus (Coleoptera: Curculionidae [corrected] Scolytinae) invasion in eastern U.S. forests

Environmental Entomology
F H Koch, W D Smith

Abstract

The non-native redbay ambrosia beetle, Xyleborus glabratus Eichhoff (Coleoptera: Curculionidae: Scolytinae), has recently emerged as a significant pest of southeastern U.S. coastal forests. Specifically, a fungal symbiont (Raffaelea sp.) of X. glabratus has caused mortality of redbay (Persea borbonia) and sassafras (Sassafras albidum) trees in the region; several other Lauraceae species also seem susceptible. Although the range of X. glabratus continues to expand rapidly, little is known about the species' biology and behavior. In turn, there has been no broad-scale assessment of the threat it poses to eastern U.S. forests. To provide a basic information framework, we performed analyses exploiting relevant spatio-temporal data available for X. glabratus. First, we mapped the densities of redbay and sassafras from forest inventory data. Second, we used climate matching to delineate potential geographic limits for X. glabratus. Third, we used county infestation data to estimate the rate of spread and modeled spread through time, incorporating host density as a weighting factor. Our results suggest that (1) key areas with high concentrations of redbay have yet to be invaded, but some are immediately threatened; (2) climatic condit...Continue Reading

References

Oct 23, 2003·Environmental Monitoring and Assessment·Daniel W McKenneyRobert Foottit
Jan 24, 2004·The Quarterly Review of Biology·A Townsend Peterson
May 4, 2006·The American Naturalist·Greg Dwyer, William F Morris
Jan 6, 2007·Ecology Letters·Patrick C TobinAndrew M Liebhold

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Citations

Jul 15, 2011·Proceedings. Biological Sciences·Jiri Hulcr, Robert R Dunn
Jul 17, 2009·Journal of the Air & Waste Management Association·Joo-Youp LeeY Jeffery Yang
Jul 31, 2019·Ecological Applications : a Publication of the Ecological Society of America·Emma J HudginsBrian Leung
Jun 29, 2021·Frontiers in Microbiology·Sifat Munim TaninPaal Krokene

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