Originally posted by: MichaelD
Originally posted by: etech
Energy Saving Yellow Light Bulbs Keep the Bugs Away!
I don't know if they really work or not. I just remembered the yellow lights that people used to use on their porches and did a quick google search.
edit/ now if we could only find a repellent for nefs and the utterly useless posts they make.
Heh, thanks; an actual helpful response! :Q
I'll try the lightbulb. If that doesn't work, I guess I'll just set the tent on fire. If I do it while I'm inside the tent, the fire will just burn down the tent around me and not burn me, right?
Why does the "Yellow Bug-Lite" Work?
Insects and humans have different visual perceptions. This allows for people to have better control of nocturnal insect nuisances by adjusting the color of lighting.
The human visual system is activated by radiant energy in the color range from deep blue to dark red, which we call light. The vision of flying insects, however, is shifted away from long-wavelength red toward the shorter blue and near ultraviolet (black light) wavelengths of the electromagnetic spectrum. Sources which radiate ultraviolet energy and blue light are most attractive to flying insects, while those with a deficiency of ultraviolet and blue are less attractive. Insects see black light fluorescent, mercury, and metal halide best. Lamps which insects have a difficult time seeing include incandescent, high-pressure sodium, and bug light incandescent (yellow).
RESIDENTIAL AREAS
Homeowners can reduce insect annoyance by using incandescent "bug lights", gold fluorescent, or high-pressure sodium near entrances. Unfortunately none of these sources render complexions, flowers, or greenery very well because of their lack of blue light. In addition, any light source near doorways should be shielded from horizontal view so that the flying insect will be less apt to see it. If possible, the light source should be located a short distance from the entrance and the light should be directed to illuminate the entrance. Note that incandescent "bug lights" do not repel bugs - they just don't attract as many as plain bulbs because the insects cannot see the yellow light as well as they can see blue or ultraviolet light. Another tip is that decks, patios, and particularly barbecue and eating areas should be lighted from a distance. The custom of stringing colored bulbs for a festive atmosphere will work reasonably well if the majority of light in the area is beamed in from some distance away.
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I have never understood why some people feel the need to prove their stupidity over and over again on this board.
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