Bugs are attracted to light. It is a behavior called transverse orientation.some bugs navigate by flying at a constant angle towards a distant light source like the moon or Stars. Man-made lights confuse the bugs by changing the light source and angle. An insect's response to light with motion is known as phototaxis. Some bugs like cockroaches are known as negatively phototactic organisms and move away from light. Before the introduction to artificial light nocturnal insects like most moths evolve to use natural light sources like the moon and stars to navigate. Since the Moon is so far away the angle of the light stays the same as a insect flies along. But this is not the same with a smaller light source like a candle flame or a light bulb. The angle to the artificial light changes as the insect flies by so in an attempt to stay aligned they end up flying around in circles confused. sometimes one wing will move faster than other trying to keep up with the angle therefore making them fly in a confused Circle. Seeing a unobstructed light source tells the bugs that the path is clear so they fly towards it to avoid flying into obstacles. Also another theory is that female pheromones put off by certain moths give off a UV light source and the bugs are sometimes attempting to mate by following a UV light source. Also some flowers and plants put off a slight UV light source and the bugs mistake the artificial light as a food source
Why are bugs attracted to light - YouTube |
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| People & Blogs | Upload TimePublished on 29 Jul 2016 |
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