| 摘要 |
A simple, inexpensive signal device indicates the presence of wood-destroying insects, particularly subterranean termites. The signal device comprises a triggering mechanism and a signaling mechanism. The device can be adapted to fit almost all commercially available monitors or bait stations. The triggering mechanism is designed to be released upon destruction by feeding by termites or other wood-eating insects. Upon release, the triggering mechanism is designed to either pull or push a visual signal out of the housing, producing a signal that can be seen from a distance. Using this signal device, the presence of termites can be detected without disturbing the monitor or bait station. Moreover, because the signal is seen outside the housing, the housing is not required to be transparent.
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