Wood borer control in spruce logs with p-dichlorobenzene and plastic sheeting (Coleoptera: Cerambycidae)

A. G. Raske, J. K. Robins


Fumigation under plastic sheeting of white spruce (<i>Picea glauca<i/> (Moench) Voss) logs with crystalline p-dichlorobenzene (PDB) for 26 days killed more than 95% of cerambycid and other wood borer larvae under the bark and in the wood, at the lowest dosage of 8g of chemical per cubic meter of log plus air space volume. The long treatment-duration promoted the discoloration of logs by stain fungi. When treatments were shortened to 2, 4 and 7 days, and the PDB was dissolved in trichloroethylene, the lowest dosage at the shortest duration killed more than 80% of the wood borer larvae.


Coleoptera; Cerambycidae; fumigation

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