Whipscorpions are found in the southeastern oak zone
of Arizona eastwards across the southern U.S. to Florida.
They have a substantial but flat body 2-3 inches in length,
with large spined, arm-like pedipalps in front. They
are arachnids, but have no venom. Whipscorpions are
predators, active at night. The whip-like tail is used in
defense and individuals can squirt acetic acid (vinegar)
produced from a gland in the rear