Old House Borers
Old House Borers: Old House Borers will only infest softwood lumber, primarily pine. Produce oval exit holes from ¼” to 3/8” in diameter. Their frass consists of fine powder & barrel shaped pellets. Required moisture content for development is between 10-28%. A loud rhythmic clicking sound is from the larval stage feeding. Egg to adult can be as short as 2 years or as long as 15 years.
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Death Watch Beetles: Death Watch Beetles will infest both hardwood and softwood lumber.Produce round exit holes from 1/16” to 1/8” in diameter. Their frass is very gritty to the touch. Required moisture content for development is between 13-30%. A loud tapping sound against the wood surface is a mating call. Egg to adult can take from 1 year to as long as 3 years.
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