Y39-Spider-3 - Spiders Spiders Name: Shuai Cui UFID:...

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Unformatted text preview: Spiders Spiders Name: Shuai Cui UFID: 9033-9865 Spider Spider Having abdominal glands that produce silk. Range in size Smaller: less than 0.5 millimeters Bigger: 20 centimeter egg-span. Spider Why spiders are dangerous? 98-99% of spider bites are harmless the symptoms of their bites can include necrotic wounds systemic toxicity death. Possess venom Toxic to humans in the quantities which can be delivered by a single bite of a single spider at one time. http://en.wikipedia.org/wiki/Spider_bite Spider Most dangerous spider in the USA: Brown Recluse (Violin Spider) Black Widow Brown Recluse Brown Recluse: The recluse spiders also known as fiddle-back or violin spiders, are a venomous genus of spiders known for their necrotic bite. Violin Distribution in the USA The Brown Recluse inhabit the south and south- central states from Georgia through Texas and north to Wisconsin. There's no brown recluse spider populations in neither California or Florida. http://www.brownreclusespider.biz/ Habitat Dark, undisturbed sites In attics, basements, crawl spaces, cellars, closets, and ductwork or registers. In storage boxes, shoes, clothing, folded linens, and behind furniture. Barns, storage sheds, and garages....
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Y39-Spider-3 - Spiders Spiders Name: Shuai Cui UFID:...

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