Archive image from page 13 of Defects in timber caused by. Defects in timber caused by insects defectsintimberc1490snyd Year: 1927 Fig. 11.—Pinholes in the sap-wood of high-grade cypress blocks ; end view of logs in freight car; wood completely riddled by ambrosia beetles (Platypus compositus and XijWborus sp.) Fig. 12.—Pinholes caused by ambrosia beetles (Xyleborus sp.) in mahogany flitches

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