Looking for the legacy site? Click here
Fluorescent:
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

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.

Read more about: Not So Scary Scorpions
You may need to edit author's name to meet the style formats, which are in most cases "Last name, First name."
https://askabiologist.asu.edu/ultraviolet-scorpion

Bibliographic details:

  • Article: Ultraviolet Scorpions
  • Author(s): Dr. Biology
  • Publisher: Arizona State University School of Life Sciences Ask A Biologist
  • Site name: ASU - Ask A Biologist
  • Date published: 23 Dec, 2009
  • Date accessed:
  • Link: https://askabiologist.asu.edu/ultraviolet-scorpion

APA Style

Dr. Biology. (Wed, 12/23/2009 - 15:51). Ultraviolet Scorpions. ASU - Ask A Biologist. Retrieved from https://askabiologist.asu.edu/ultraviolet-scorpion

American Psychological Association. For more info, see http://owl.english.purdue.edu/owl/resource/560/10/

Chicago Manual of Style

Dr. Biology. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 Dec 2009. https://askabiologist.asu.edu/ultraviolet-scorpion

MLA 2017 Style

Dr. Biology. "Ultraviolet Scorpions". ASU - Ask A Biologist. 23 Dec 2009. ASU - Ask A Biologist, Web. https://askabiologist.asu.edu/ultraviolet-scorpion

Modern Language Association, 7th Ed. For more info, see http://owl.english.purdue.edu/owl/resource/747/08/
Emporer scorpion

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

Be Part of
Ask A Biologist

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.

Donate icon  Contribute