Black Widow Abdomen (IMAGE) Arizona State University Caption A cross section of the abdomen of a locally collected Black Widow (or Latrodectus Hesperus) spider used in this study at Arizona State University. Credit Samrat Amin Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.