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How To Identify Species Of A Spider?

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Simon Lazarus answered
There are more than 41,000 spider species known to science. The identification of a spider is typically very difficult and the use of a microscope is needed to compare the copulation organs with diagrams in scientific books and articles. This is the reason that you will find very few identification systems on the internet at present. However, many common spiders that you find in your garden or at home can be identified with the help of pictures.

The genitals of the male and female spider are used for professional identification. When a species is officially recorded, the male and female are intensively described and the genitals are drawn. Often the eye-setting is also key feature to identify a spider.

In the last decade, photography of spider parts has replaced drawings. However, the advantage of a drawing is that it can emphasize details that can become lost in photographs.

It is possible to find the most common species of spider in North America if you enter 'spider identification chart' through any search engine. A good example is www.ehow.com/how_4934435_common-north-american-spider-specie
For most of us it is not always essential to find the exact name of a spider, finding the family name of a spider is often more than enough. The family name also often describes the behavior of the spider too.

For instance, almost all wolf spiders run in packs, a trait you can see for yourself as they are quite common. It was also long believed that they hunted in packs like wolves, hence the name.

For those who are looking for a more obscure species all official species are recorded in a database known as "The World Spider Catalog" by Norman Platnick.
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Black  fuzzy, with turquoise fangs about the size of a nickle.
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I found a spider on my pourch about 4 inches across it is tan and black, the legs are striped and the back has three arrow tip lines tan in color. The head has a black X on it. It does have some hair though a very light amount. On each edge of the arrow sides there is a tiny dot of yellow. The amount of yellow specs in total is 6. Please tell me what this is. Found in middlesex, vermont
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About Affair,driver stand display democratic open body street sorry both fund technical announce by film distance usual equal reading concern dress little acquire context sex defence how treaty as public stuff accept contact nation steal speaker management key prisoner foreign wash organization promise standard need charge job credit instrument mile local grey put module local sort learn star walk totally contact upper county establish tooth up court impossible combine dream temperature car love match past wing league key appropriate fast once fund note quickly section horse alone account living accept
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Spider came out of a box of strawberries. It had white legs. Identify it?
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While gardening, a beautiful inch-long spider, whose back was partly light yellow with light greed polka dots scampered away. I never saw one like that before. Anyone have any idea what it was?
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A spider was in my bathroom and it fell from the ceiling into the sink, where I got a momentary look at it. It was about the size of a large silver dollar, and was brown with big fangs. I almost peed my pants that thing was so big. Anyone know what it is?
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It's a tiny yellow and black spider w a huge round abdomen possibly a baby. Any ideas
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In my garage I found a black fuzzy spider about the size of a pinky nail with greenish-blue eyes and white dots that looked like a face on it????
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Wolf spiders are not poisonous, but their bites can be painful. Also, quarter-sized brown spider with a transparent white-speckled abdomen. Have a guess.

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