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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 downwa
New-world tarantulas—those indigenous to the Americas—have bites that generally pose little threat to humans (other than causing localized pain). The primary defense deployed by these spiders is by means of urticating hairs, which can cause irritant symptoms in humans. Cobalt blue tarantula (Haplopelma lividum), an old-world species
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 ]
Scytodidae spiders are haplogyne, meaning they lack hardened female genitalia.They have six eyes, like most spiders in this group, arranged in three pairs. They possess long legs and a dome-shaped cephalothorax, and are usually yellow or light brown with black spots or marks.
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Latrodectism (/ l æ t r ə ˈ d ɛ k t ɪ z əm /) is the illness caused by the bite of Latrodectus spiders (the black widow spider and related species). Pain, muscle rigidity, vomiting, and sweating are the symptoms of latrodectism.
The Araneomorphae (also called the Labidognatha or "true spiders" [1]) are an infraorder of spiders.They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae (tarantulas and their close kin), where they point straight down.
The symptoms are not immediate, which leads the victim to believe that the bite was mild. They usually take hours to manifest, and begins with severe pain, redness, inflammation and blisters, in more severe cases evolving to tissue necrosis. Systemic effects, include hemolysis, cardiac problems, vascular collapse and kidney failure.