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Arizona bark scorpions practice negative geotaxis, preferring an upside down orientation, which often results in people being stung due to the scorpion being on the underside of an object. [7] The Arizona bark scorpion preys on small and medium-sized animals such as beetles, spiders, crickets, cockroaches, other insects and other scorpions. [4] [8]
Kukulcania arizonica (commonly called the Arizona black hole spider) is a species of spider, belonging to the family Filistatidae. As the scientific and common names suggest, this spider is found in Arizona, but can also be found in the neighbouring US states of New Mexico, Nevada and California. This is a black spider with a velvety texture.
Loxosceles arizonica, known as the Arizona brown spider, [2] is a species of spider in the family Sicariidae. [1] Field studies suggest that ants are its major prey, especially ants of the genera Novomessor and Camponotus .
Other spiders in western states that might possibly cause necrotic injuries are the hobo spider, desert recluse spider, and the yellow sac spider. For example, the venom of the hobo spider , a common European species now established in the northwestern United States and southern British Columbia , has been reported to produce similar symptoms ...
Aphonopelma chalcodes, commonly known as the western desert tarantula, desert blonde tarantula, Arizona blonde tarantula or Mexican blonde tarantula, is a species of spider belonging to the family Theraphosidae. It has a limited distribution in the deserts of Arizona and adjacent parts of Mexico but can be very
Phoneutria nigriventer, the Brazilian wandering spider (a ctenid spider) is a large brown spider similar to North American wolf spiders in appearance, although somewhat larger. It has a highly toxic venom and is regarded (along with the Australian funnel-web spiders ) as among the most dangerous spiders in the world. [ 6 ]
H. arizonensis is the largest scorpion in North America, [2] and one of the 8–9 species of Hadrurus in the United States, attaining a length of 14 cm (5.5 in). [3] This species is usually yellow with a dark top [3] and has crab-like pincers.
The deathstalker is one of the most dangerous species of scorpions. [10] [11] Its venom is a powerful mixture of neurotoxins, with a low lethal dose. [12]While a sting from this scorpion is extraordinarily painful, it normally would not kill a healthy adult human.