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Scytodes thoracica is a spitting spider, so called because it spits a venomous sticky silken substance over its prey. Its size ranges between 3–6 mm (0.12–0.24 in). The carapace is unusual in sloping upwards towards its rear end, whereas the abdomen slopes downwards. It has six eyes instead of the eight spiders usually have.
The spider usually strikes from a distance of 10 to 20 millimetres (0.39 to 0.79 in) and the entire attack sequence only lasts 1/700th of a second. [5] After making the capture, the spider typically bites the prey with venomous effect, and wraps it in the normal spider fashion with silk from the spinnerets. [6]
Scytodes is a genus of spitting spiders that occur all around the world. The most widely distributed species is Scytodes thoracica, which originally had a palearctic distribution, but has been introduced to North America, Argentina, India, Australia, and New Zealand. [1]
Here’s how to identify the bites from the four types of venomous spiders in South Carolina. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Larger spider species, like wolf spiders, can be a little more aggressive and may bite people occasionally, Gangloff-Kaufmann said. But these bites are typically not dangerous because these ...
“In general, spiders will bite only if they can’t get away from you, or are protecting their babies and don’t want to leave the babies behind, and/or they are being crushed or otherwise hurt ...
The spitting spiders Scytodes can spit a venomous sticky fluid that traps its victims and also poisons them. [1] The bombardier beetle is unusual by using a violent exothermic chemical reaction to launch a boiling noxious chemical spray in a rapid burst of pulses from special glands in its abdomen, accompanied with a popping sound.
While roughly 3,000 species of spiders are found throughout the U.S., very few pose a direct threat to humans. Spider bites are rare, and medically significant incidents are even less common ...