San Francisco : Architect and Engineer, Inc · leaf 116
^ 42 ► MAY, NINETEEN THIRTY-FOUR left half of Fig. 5. In most cases, aftermating the females go back into the samewood, or they may enter and start a colonyin new lumber. As the boring is done al-most entirely by the larvae or grubs, and inthe interior of the lumber, the presence of these insects… … :^ ••■ ,1.-.
Architecture · Building
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