This makes them close relatives of ticks, mites, and spiders. There are approximately 50 species of scorpions that occur in the continental United States, but most of these are found in the southwest. The exact number of species in Oklahoma has been estimated at between three and five, but only one species is common to the entire state. Description Around the world, scorpions range in size from one half inch to over seven inches long, depending on the species. The most common species found in Oklahoma is about two inches long.
Scorpions have small eyes and very poor vision.
They are predatory arthropods that detect their prey primarily by acute senses of touch and sound. After an elaborate courtship process, lasting anywhere from 24 to 36 hours, it can take from five months to over a year for the eggs to mature within the female. Females do not lay eggs, the young are born alive in semi-transparent sacs. A female can produce anywhere from 14 to 100 young in one litter. Once the young scorpions free themselves from their egg sacs, they climb onto the back of the mother and remain there until after their first molt several days later.