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U.S. Black Widow Spider, poisonous and dangerous. (also upside-down) << This spider actually seems to be a Red Back spider with the markings on it's back. They're easily confused with Black Widows due to the extremely similar coloring. ~Riley Arachnid

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from HubPages

Deadly Spiders: Poisonous or Venomous?

LA ARAÑA: Artrópodo perteneciente a los arácnidos. Presenta una cintura entre prosoma y opistosoma. Los quilíceros son uñas venenosas. Segregan un líquido que da lugar a un hilo con el que forman telarañas. Algunas especies poseen un veneno mortal inclusive para el ser humano sin importar el tamaño de éstas; como es el caso de la Viuda negra.i killed one of this this morning.

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from Live Science

Black Widow Spider Facts

The black widow spider is one of a few poisonous kinds of spiders in the United States. A person who gets bitten by a black widow spider might not know it right away, since the bite can sometimes feel like a little pinprick. After 30 to 40 minutes, though, the area of the bite will swell and hurt a lot, and sometimes a person can get achy all over.

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BLACK WIDOW SPIDER (L. hesperus) - ©NTI for the Daily Mail Not uncommon in our neighborhood, but still surprised to find THREE of them decided to make a nest under my dish drainer this week - EEEEEEEK! Sadly, the click through is to an article from 2008, reporting their expansion into the U.K. Black Widow spiders inhabit most of the warmer regions of the world to a latitude of about 45 degrees N. and S. They occur throughout all four deserts of the American Southwest…

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Black Widow Spider -Both males and females have strong venoms, but females have venom which is thrice as deadly compared to males URL: http://wolfspider.org/

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@amand.ink Welcome to the black widow in my gem collection ! Wich insect or little animal would you like to see next ? #tattoflash #blackwidow #spider #ruby #gem #tattooidea #artist #art #chameleonpens

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