Not so scary scorpions

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Finding Scorpions at Night

All scorpions will fluoresce under a ultraviolet (UV) light,  also known as a "blacklight". The glow is caused by an unidentified substance in a thin layer in their skin. Newly molted scorpions do not fluoresce right away, but they they will glow after they have aged a while.

Bark Scorpion glows under ultraviolet (UV) Light.

Arizona Bark Scorpion (Centruroides sculpturatus) under a ultraviolet (UV) light.


Credit: Photo by Barb Backes.

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Emporer scorpion

The Emperor scorpion (Pandinus imperator) is a species of scorpion found in Africa. This one is glowing under ultraviolet light.

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