Is this poisonous?

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Mckwoodrum Agawam, MA Jun 04, 2013

This is the third one I've seen at my house. We had a much larger black one last year in our basement and it was mighty aggressive. Please let me know if they are dangerous. I have a two year old and I don't want him to be bitten

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Flapdoodle Minot, ND Jun 04, 2013

Although the images are not clear enough for a definitive i.d., I can assure you that these spiders are not dangerous. The vast majority of spiders do have venom glands, but only a very few have potent enough venom in sufficient quantity to pose a real threat. See the 'sticky' on spider bites at the head of this forum. Also, very few spiders are truly aggressive, but many will put up a defensive posture when they are threatened.

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Mckwoodrum Agawam, MA Jun 04, 2013

What kind of spider is this?? I tried to identify it with other websites but they all look alike. The wolf spider is the closest but the hobo spider also resembles it. Here's another pic of it

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Post #9546729
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Flapdoodle Minot, ND Jun 05, 2013

It most likely is Pisaurina mira, a nursery web spider in the family Pisauridae - see http://www.spiders.us/guide/species/pisaurina-mira/ (Note: this species is highly variable in color pattern; the images show only a a few of the many variations). They are closely related to wolf spiders, Another note, hobo spiders occur only in the Pacific Northwest.

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