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.
Christopher Putnam. (2009, December 23). Ultraviolet Scorpions. ASU - Ask A Biologist. Retrieved March 27, 2023 from https://askabiologist.asu.edu/ultraviolet-scorpion
Christopher Putnam. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 December, 2009. https://askabiologist.asu.edu/ultraviolet-scorpion
Christopher Putnam. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 Dec 2009. ASU - Ask A Biologist, Web. 27 Mar 2023. 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.
By volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteers page to get the process started.