A spruce borer, Tetropium cinnamopterum Kirby, in interior British Columbia

D. A. Ross, H. Vanderwall


A spruce borer, <i>Tetropium cinnamopterum</i> Kirby, is an important borer in logs of spruce, <i>Picea</i> spp., in British Columbia. The L-shaped larval galleries penetrated to depths of 52 mm in the sapwood, and ranged from 26 to 90 mm in length; their average volume was 0.81 cc. Captive adults lived for about 2 weeks and deposited up to 155 eggs per female. Eggs hatched in about 12 days; the larvae fed under the bark for about 8 weeks before boring into the xylem of spring-felled logs. Possible control measures based on this investigation of the borer's life history and larval development are considered briefly.


spruce borer; <i>Tetropium cinnamopterum</i>

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