Why are Moths Attracted to the Light?


"Phototaxis is an organism’s automatic movement toward or away from light. So a cockroach has negative phototaxis, because it’s always scuttling into dark corners while a moth has positive phototaxis because of it’s preference for bright lights.

Why are they attracted to bright lights?

We have several theories but no definite answers. Here are the theories:

  1. Moths use the moon as a primary reference point to travel. So it’s attraction to the light maybe related to that orientation and cause disorientation. 
  2. Moths may see flying towards the light as advantageous and safer than flying somewhere dark. 

Did you know moths are sensitive to ultra-violet light? A white light will attract more than than a yellow one."

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