Travel ‘I’ve got one!’ What it’s like to hunt neon scorpions in the Arizona desert September 19, 2019 Peter Prengaman, USA TODAY Comments Off on ‘I’ve got one!’ What it’s like to hunt neon scorpions in the Arizona desert Of about 2,500 species of scorpions worldwide, only 25 or so are truly dangerous. The most hazardous in the U.S. is found in Southwestern states.