Question:

I found an unusual arachnid. Help identify it?

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I live in West Virginia. I found an odd arachnid on my front screen door. Unfortunately, I killed it as I was trying to capture it in a plastic jar.

It has eight legs. Its head and body is half an inch long, front to back. The head and legs are sort of a dark orange-red color.

The top part of the body is mostly a yellow color, narrow at the arachnid's waist and broadening toward the rear, where two ~ 2.5 mm "horns" appear, one pointing toward after and left, the other pointing toward after and right.

Additionally, there are two smaller "horns" (< 1 mm) pointing upward at about the center of the body.

The underside of the arachnid has a mound at the rear, between the two backward pointing horns, which looks somewhat like the rear part of a wasp's body.

The yellow coloring occurs primarily on the top part of the body. The underside of the body is mainly dark colored, dark brown or black, with faint and narrow yellow strips.

The bug is colorful! And the shape is somewhere in between spider and wasp, with those "horns" thrown in for good measure. And I think that it was able to spin a silk thread to hang down from. Does anyone have an idea what this thing is?

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4 ANSWERS


  1. A spider.  Many species of orb weavers and crab spiders have spikes


  2. Hard to say without a picture.  If it&#039;s not a spider, it might be a harvestman.  Wikipedia has a good description with info on how to tell the two apart.

  3. Learn to ID  it with the help of these sites and even if you do not find what you are looking for you will be able to ID any bug you come across in the future -

    http://bugguide.net/node/view/1954

    http://www.arachnology.be/pages/Pictures...

    http://www.spideridentification.org/

  4. Classification:

    Animal, Arthropod, Arachnid, Spider, true spider, Entelegynes, orb weaver, Micrathena sagittata.

    You have described a female Micrathena sagittata spider. They are found in eastern North America and in Central America.

    Here&#039;s an image.

    http://bugguide.net/images/cache/309QLSW...

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