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Phidippus johnsoni, the red-backed jumping spider or Johnson jumping spider, is one of the largest and most commonly encountered jumping spiders of western North America. It is not to be confused with the unrelated and highly venomous redback spider ( Latrodectus hasselti ).
Woodlouse spiders are usually found under logs, rocks, bricks, plant pots and in leaf litter in warm places, often close to woodlice.They have also been found in houses. They spend the day in a silken retreat made to enclose crevices in, generally, partially decayed wood, but sometimes construct tent-like structures in indents of various large rocks.
Gasteracantha is a genus of orb-weaver spiders first named by Carl Jakob Sundevall in 1833. [2] Species of the genus are known as spiny-backed orb-weavers, spiny orb-weavers, or spiny spiders. The females of most species are brightly colored with six prominent spines on their broad, hardened, shell-like abdomens.
Gasteracantha cancriformis [2] (spinybacked orbweaver) is a species of orb-weaver spider (family Araneidae). It is widely distributed in the New World. [1]The genus name Gasteracantha derives from the Greek words γαστήρ (gaster, "belly") and ἄκανθα (acantha, "thorn"), while the specific epithet cancriformis derives from the Latin words cancer ("crab") and forma ("shape, form ...
Phidippus audax are commonly referred to as "bold jumping spiders" or "bold jumpers". [8] The species name, audax, is a Latin adjective meaning "audacious" or "bold". [8] This name was first used to describe the species by French arachnologist Nicholas Marcellus Hentz, who described the spider as being, "very bold, often jumping on the hand which threatens it". [9]
Females can reach 12 mm body length, males 7 to 11 mm. Both sexes have blue-green iridescent chelicerae, a black cephalothorax and limbs, and a bright red abdomen with a median black stripe (similar to the female P. johnsoni). Between the black and red areas on the posterior part of the dorsal abdomen there are two minute white spots.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
Since 1999, the spider has been the subject of an email hoax claiming that it was a fatal spider found lurking under toilet seats in North Florida. [4] This hoax was a rehashing of an older email circulated in 1999 with similar claims, except under the name "South American Blush Spider (arachnius gluteus [])" - literally "butt spider".