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Molt: to shed the outer layer of the body.
Ultraviolet: (1) light waves at wavelengths less than those visible to humans. Also called UV light. (2) invisible light rays just below the violet end of the spectrum... more
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.
Credit: Photo by Barb Backes.
Dr. Biology. (2009, December 23). Ultraviolet Scorpions. ASU - Ask A Biologist. Retrieved October 21, 2018 from https://askabiologist.asu.edu/ultraviolet-scorpion
Dr. Biology. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 December, 2009. https://askabiologist.asu.edu/ultraviolet-scorpion
Dr. Biology. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 Dec 2009. ASU - Ask A Biologist, Web. 21 Oct 2018. https://askabiologist.asu.edu/ultraviolet-scorpion
The Emperor scorpion (Pandinus imperator) is a species of scorpion found in Africa. This one is glowing under ultraviolet light.