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amy asked in Science & MathematicsZoology · 7 years ago

What kind of spider is this?

I live in Arizona and I have been finding these in my house every once in a while. I see baby ones maybe a couple times a month and then big ones every few months. Any ideas? Sorry for the bad picture quality.

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4 Answers

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  • 7 years ago

    The “Bold Jumper” is one of the largest and most common species of jumping spider in North America. The spider is mostly black with a conspicuous white, orange, or red triangular patch in the center of its abdomen. Take a close look at this spider’s chelicerae (jaws), as they have a gorgeous, iridescent sheen to them and come in a variety of colors!

  • 7 years ago

    Its a house spider harmless.

  • John R
    Lv 7
    7 years ago

    It's a Wolf Spider of some kind. The 'sunflower seed' cephalothorax is fairly common. They're not at all a problem unless you're a small arthropod. As a side note, there's a pretty good chance that the 'baby ones' and the 'big ones' you've been seeing are actually different kinds of spiders; some are large and some are small. If you get photos, we can usually have a stab at IDing them here, or you can try Bug Guide.

  • Anonymous
    7 years ago

    Denger

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