Journal of Economic Entomology (2005) 98, 2049-2057
D.R. Coyle, D.C. Booth and M.S. Wallace (2005)
Ambrosia beetle (Coleoptera: Scolytidae) species, flight, and attack on living eastern cottonwood trees
Journal of Economic Entomology 98 (6), 2049-2057
Abstract: In spring 2002, ambrosia beetles (Coleoptera: Scolytidae) infested an intensively managed 22-ha tree plantation on the upper coastal plain of South Carolina. Nearly 3,500 scolytids representing 28 species were captured in ethanol-baited traps from 18 June 2002 to 18 April 2004. More than 88% of total captures were exotic species. Five species [Dryoxylon onoharaensum (Murayama), Euwallacea validus (Eichhoff), Pseudopityophthorus minutissimus (Zimmermann), Xyleborus atratus Eichhoff, and Xyleborus impressus Eichhoff]) were collected in South Carolina for the first time. Of four tree species in the plantation, eastern cottonwood, Populus deltoides Bartram, was the only one attacked, with nearly 40% of the trees sustaining ambrosia beetle damage. Clone ST66 sustained more damage than clone S7C15. ST66 trees receiving fertilization were attacked more frequently than trees receiving irrigation, irrigation + fertilization, or controls, although the number of S7C15 trees attacked did not differ among treatments. The study location is near major shipping ports; our results demonstrate the necessity for intensive monitoring programs to determine the arrival, spread, ecology, and impact of exotic scolytids.
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Database assignments for author(s): David R. Coyle
Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
quarantine treatments/regulations/aspects