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Subterranean Termite Entry
Points
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Anything that links the building to soil -
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Summary:
Subterranean termites enter buildings through
"shelter tubes" that the termites construct. Shelter
tubes can be built on any support that spans
between building and soil. Inspecting for termites
therefore = inspecting for shelter tubes.
Jack
DeAngelis, PhD
OSU
Ext. Entomologist (ret.)
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Termites move from
soil to structure
Subterranean termite
colonies usually start below ground on wood
debris left behind during construction. Termites
then extend the colony by "shelter tubes"
built over, or inside, material that spans between
the soil and building (see drawing below). In
short -- anything that links the soil to the
building can serve for termite access.
Termites enter houses
through a number of "weak, or entry, points" (right)
such as foundation walls and posts. These areas
should be regularly inspected for termite activity.
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Subterranean
termite entry points. Cross-section
through foundation and floor jousts.
Original drawing from Wood-Inhabiting
Insects in Houses by Harry B. Moore,
1979. USDA, Forest Service and HUD.
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Termite
shelter tubes built on a foundation
wall.
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Jack DeAngelis,
Ph.D.
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