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Scorpions article!

(Spitting Thicktail Black Scorpion. This is one of the largest scorpions, and is also known as the South African Fattail scorpion. It's the most dangerous scorpion in the southern regions of Africa. Its ubiquitously stout tail and stinger can deliver 4.25 mg of venom, and that is enough to kill an adult human.)

Scorpions are predatory arachnids of the order Scorpiones. They have eight legs, and are easily recognized by a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. They mainly live in deserts but have adapted to a wide range of environmental conditions, and can be found on all continents except Antarctica. There are over 2,500 described species, with 22 extant (living) families recognized to date. Their taxonomy is being revised to account for 21st-century genomic studies.

Scorpions primarily prey on insects and other invertebrates, but some species take vertebrates. They use their pincers to restrain and kill prey. Scorpions themselves are preyed on by larger animals. The venomous sting can be used both for killing prey and for defense. During courtship, the male and female scorpion grasp each other's pincers and move around in a "dance" where the male tries to maneuver the female onto his deposited sperm packet. Most species give live birth and the female cares for the young as their exoskeletons harden, transporting them on her back. The exoskeleton contains fluorescent chemicals and glows under ultraviolet light.

The vast majority of species do not represent a serious threat to humans, and healthy adults usually do not need medical treatment after being stung. Only about 25 species have venom capable of killing a human. In some parts of the world with highly venomous species, human fatalities regularly occur, primarily in areas with limited access to medical treatment. Scorpions with their powerful stingers appear in art, folklore, mythology, and commercial brands. Scorpion motifs are woven into kilim carpets for protection from their sting. Scorpius is the name of a constellation, and the corresponding astrological sign is Scorpio; a classical myth tells how the giant scorpion and its enemy, Orion, became constellations on opposite sides of the sky.

Each scorpion has its own unique venom, thus they all have different toxicities. This is why the Arizona Bark Scorpion is lethal and the Desert Hairy Scorpion isn’t. Even newborn scorpions have venom so do not underestimate their size.

Scorpion venom is used in moderation, it takes the scorpion a lot of energy to produce. It is used for subduing prey, in self defense and in some species mating. The venom is composed of a group of complex molecules called a neurotoxin, these contain proteins consisting of 60-70 crossed linked amino acids. When injected the neurotoxin attacks the nerve cells of the victim causing paralysis and death.



(Vaejovis spinigerus) 2-4 inches Non-lethal sting Desert habitats Desert backyards Eats arthropods

How To Treat A Scorpion Sting Clean With soap and water.

Apply Cold compress

Call Poison control.

If you experience trouble The sting of the Bark Scorpion is and can be fatal to young children, the elderly and those who are allergic to the venom.

Scorpions are often found in the desert, although there are many urban habitats that are attractive to the scorpion. Scorpions are often found near mountains, buttes and the outskirts where there has been little urbanization. New construction can cause scorpions to move from their habitat this explains why homes adjacent to new construction often find themselves infested. A water source such as a lake or canal will attract prey for scorpions.

There are more than 45 species of scorpions found in Arizona. Most common in the Phoenix area is the Bark Scorpion (Centruroides exilicauda) which also happens to be the most venomous and only lethal scorpion in Arizona.

Here is a list of most of the scorpions that can be found in Arizona.

Arizona Bark Scorpion



(Centruroides sculpturatus)

Desert Hairy Scorpion



(Hadrurus arizonensis) 5-6 inches Non-lethal sting Desert habitats Rural backyards Eats arthropods & vertebrates

Striped Tail Scorpion

e focusing eyes, random eye movements, trouble swallowing, drooling, tongue feels swollen, slurred speech, dizziness, blurry vision or muscle twitching call Poison Control at 1-800-222-1222 and proceed to the nearest emergency room. We are not doctors and this is not medical advice, if you are worried please proceed to an emergency room.

Scorpion Sting Symptoms

Local pain Burning Small red dot Numbness Tingling Slight swelling

Household DIY Scorpion Prevention are foundation or siding so the scorpions cannot enter your home. Make sure your screens do not have any holes in them so the scorpions cannot enter through an open window. Remove any rubbish from your property that the scorpion may be attracted to. Keep your lawn and landscaping short and trimmed to make sure that there are no branches overhanging above your house. Read Our Post - 11 DIY Tips To Prevent Pests.