A subsurface pest detection and pesticide injection system in combination with a structure having a foundation including a tubular conduit disposed adjacent the foundation of the structure. The tubular conduit has a plurality of pores extending through the sidewall of the tubular conduit. The tubular conduit is constructed of an elastomeric material such that upon applying a negative internal pressure to the tubular conduit the pores of the tubular conduit are caused to open to permit the drawing of gas into the tubular conduit, and upon removal of the negative internal pressure the pores are caused to close so that the pores remain substantially clog free. A means for applying a negative internal pressure is in gas communication with the tubular conduit to cause the pores of the tubular conduit to open and cause gas to be drawn into the tubular conduit. A gas detecting sensor is in gas communication with the tubular conduit to monitor the gas in the tubular conduit for the presence of a gas that indicates the presence of pests near the foundation of the structure. A source of pressurized pesticide connected to the tubular conduit so as to apply a positive internal pressure to the tubular conduit and cause the pores of the tubular conduit to open and permit the release of pesticide from the tubular conduit adjacent the foundation of the structure.

 
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