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  2. Bug zapper - Wikipedia

    en.wikipedia.org/wiki/Bug_zapper

    A bug zapper, more formally called an electrical discharge insect control system, electric insect killer or (insect) electrocutor trap, is a device that attracts and kills flying insects that are attracted by light. A light source attracts insects to an electrical grid, where they are electrocuted by touching two wires with a high voltage ...

  3. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  4. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects.

  5. Insect trap - Wikipedia

    en.wikipedia.org/wiki/Insect_trap

    Light traps are widely used to survey nocturnal moths. Total species richness and abundance of trapped moths may be influenced by several factors such as night temperature, humidity and lamp type. [3] Grasshoppers and some beetles are attracted to lights at a long range but are repelled by it at short range. Farrow's light trap has a large base ...

  6. Bug-A-Salt - Wikipedia

    en.wikipedia.org/wiki/Bug-a-Salt

    Bug-A-Salt was created by Lorenzo Maggiore and patented in 2012. [4] Maggiore invented the tool to kill houseflies at a distance, without creating a mess. [3]The Skell Inc company launched its Bug-A-Salt product in 2012 on the Indiegogo platform. [5]

  7. Firefly - Wikipedia

    en.wikipedia.org/wiki/Firefly

    Photuris female by flash photography (above); by her own light (below) Light production in fireflies is due to the chemical process of bioluminescence. This occurs in specialized light-emitting organs, usually on a female firefly's lower abdomen. The enzyme luciferase acts on luciferin, in the presence of magnesium ions, ATP, and oxygen to ...

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