ESA Annual Meetings Online Program

Auto-dissemination of Beuveria bassiana for control of brown spruce longhorn beetle, Tetropium fuscum (F.) (Coleoptera: Cerambycidae)

Wednesday, November 14, 2012
Exhibit Hall A, Floor One (Knoxville Convention Center)
Jon Sweeney , Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, Fredericton, NB, Canada
Peter J. Silk , Canadian Forest Service, Atlantic Forestry Centre, Natural Resources Canada, Fredericton, NB, Canada
C. Hughes , Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, Fredericton, NB, Canada
R. Lavallée , Laurentian Forestry Centre, Natural Resources Canada, Canadian Forest Service, Québec, QC, Canada
M. Blais , Laurentian Forestry Centre, Natural Resources Canada, Canadian Forest Service, Québec, QC, Canada
C. Guertin , National Institute for Scientific Research (INRS) of the University of Québec, Institut Armand-Frappier, Laval, QC, Canada
The feasibility of suppressing Tetropium fuscum populations by infecting them with Beauveria bassiana via an auto-contamination/auto-dissemination device attached to a pheromone-baited trap, was explored in laboratory experiments. Longevity of adult male and female T. fuscum, female fecundity and percentage hatch of eggs were significantly reduced by direct contact with conidia on the auto-dissemination device as well as by indirect contact with conspecifics of the opposite sex that had been directly exposed to conidia 1 or 3 days previously.
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