They are nocturnal and are usually not seen during daylight hours unless their hiding places are disturbed. They nest under objects on the ground outside and in attics and walls indoors. Although southern scorpions occur at any elevation, they appear to be more common above 650 feet mean sea level.
Scorpions are very aggressive and are quick to sting.
The sting is comparable to that of a wasp. Systemic reactions do occur from stings of the southern species but most reactions are local or large local. Scorpions occurring in Mexico and the southwest U.S. are deadly and should be avoided when visiting those areas. Southern devil scorpion. Ungloved hands should not be placed in areas where the eye can t see.