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erithemis species odonata


erithemis species odonata
Photo Information
Copyright: PauloShadow Shadow (PauloShadow) (54)
Genre: Animals
Medium: Color
Date Taken: 2007-12-28
Categories: Insects
Exposure: f/1.8, 1/30 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2008-06-05 16:56
Viewed: 3767
Points: 0
[Note Guidelines] Photographer's Note [Portuguese]
The dragonflies have excellent vision, its eyes are composites of up to 30000 facetas, each one of which is separate for light of sensoriamento of the agency or Omatídeo, made use to give 360 almost ° of the vision field. This is important for the taking of fast direction and if to exempt of predators. The Odonates is completely harmless, them sting or does not bite, in the truth, them they are beneficial eating spiders and other insects. The dragonflies are one of the insects that are between the oldest beings livings creature. Fósseis registers discovered prove before that the insects more than exist the 300 million years, exactly that the dinossauros with more than 100 million years.


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