Posts Tagged ‘cephalothorax’

We had another outstanding presentation from Lou Sorkin at the 10th edition of the New York Pest Expo. He was generous enough to share with us his knowledge and experience with spiders.

Louis Sorkin BUg Off Pest Control Center New York Pest ExpoTo start, Lou passed around a shed spider skin for everyone to observe. It was fully intact and looked like a live spider. This was just a teaser to introduce the audience to the anatomy of the spider.

Spiders have only two body segments instead of three: a fused head and thorax (cephalothorax) and an abdomen. They have 8 legs and usually 8 eyes. They grab their food with the chelicerae. Some chelicerae are hollow and contain venom glands. They use these glands to inject venom into their prey. In the abdomen there are spinnerets. They produce the silk that spiders spin into a web and trap their prey.

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The following post from PCT Magazine is excerpted from the PCT Field Guide for the Management of Urban Spiders. We wanted to share it because it is a great, quick resource for PCO’s. It describes, specifically, the various parts of a spider’s anatomy, focusing on those elements used for identification purposes. Hope you enjoy it and find it beneficial. 

Being able to identify the key body parts of a spider may not make you an arachnologist, but it will make you a better pest management professional.

Stoy A. Hedges and Richard S. Vetter | May 31, 2012 |

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