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Moths Travel Towards Light : Why Moths are Obsessed with Lamps | National Geographic

Moths Travel Towards Light Video

Moths Travel Towards Light

Why Moths are Obsessed with Lamps | National Geographic

Why Moths are Obsessed with Lamps | National Geographic

The story of the lamp and the moth is one of fatal attraction. The theory is that these primarily nocturnal insects have evolved to travel by the light of the moon and stars. This way of travel is called transverse orientation. An easy way to think about transverse orientation is to imagine a sailor travelling in the direction of the North Star. In theory, moths similarly follow the light source at a precise position and a precise angle to their bodies. This is how moths would navigate for millions of years … by the light of the moon. What moth evolution couldn’t account for was the proliferation of constant electric light in our modern world. When Thomas Edison patented the lightbulb on January 27, 1880 it was a bad day in moth history. These lightbulbs began to act as artificial moons, confusing moths and overwhelming their senses. Since moths are accustomed to orienting to distant light sources, they can be easily disoriented when a closer light source, like a porch lamp, comes into view. When there are really bright lights or ultraviolet lights, the draw becomes almost irresistible … and insects respond to those lights far more than any other wave length. At night, an ultraviolet source is a super stimulant to a moth. These artificial moons also make moths easy targets for predators like birds, bats, and many other animals. While much is still to be learned about moth behavior, one thing is certain. A moth’s obsession with lamps often proves to be a fatal one.
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Read more in “Why insects like moths are so attracted to bright lights”
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Why Moths are Obsessed with Lamps | National Geographic https://youtu.be/Ul9HIX9YBbM

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11 Comments

  1. The invention of the light bulb meant trouble for moths, who are thought to have evolved to use the light of the moon and stars for guidance at night. What are your thoughts on this story of fatal attraction?

  2. Moth: sees light
    also moth: UFUAUFHNAUISIHFNIUANGUFESHGUIEHNRUAWIFNHIAWUHFUAIHF 🙂
    P.S youll thank me later

  3. Urgh, Moths are absolutely pointless; flaps around without a clue and flies into your face an that like da fuq mate what's your problem?

  4. Moths are so cute.

    I like to imagine they’re thinking,
    “Moon! Moon! I did it! I touched the moon! Look mom, I made it to the moon!” when they bump against lights.

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