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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]
Spiders produce silk using special organs called spinnerets, located typically on the underside of their abdomen. They look a bit like an icing nozzle The 7 Types of Spider Webs and the Incredible ...
There are at least six types of silk gland, each producing a different type of silk. [13] Spitting spiders also produce silk in modified venom glands. [41] Silk is mainly composed of a protein very similar to that used in insect silk.
Spider silk structure: crystalline beta-sheets separated by amorphous linkages. Silks have a hierarchical structure. The primary structure is the amino acid sequence of its proteins (), mainly consisting of highly repetitive glycine and alanine blocks, [4] [5] which is why silks are often referred to as a block co-polymer.
Golden Silk spider: Location: Western Hemisphere, North Carolina to Texas along the gulf states. Appearance: Male: one inch, brown, skinny. Female: tan or orange with yellow spots, two to three ...
Argiope aurantia is a species of spider, commonly known as the yellow garden spider, [2] [3] black and yellow garden spider, [4] golden garden spider, [5] writing spider, zigzag spider, zipper spider, black and yellow argiope, corn spider, Steeler spider, or McKinley spider. [6] The species was first described by Hippolyte Lucas in 1833.