Horned passalus beeltes live in rotting logs in the forest and are common throughout the eastern United States. They have been repeatedly studied, yet thus far there have been no studies comparing basic morphology of males and females. The goal of Taylor's project was to obtain basic measurements of body size and horn size of this species. To do this, Taylor took digital pictures of beetles, which were then analysed using image analysis software. His results showed that males and females were similar in length but female beetles had significantly greater body girth. Female horn size was slightly larger than males. Taylor's data was incorporated into a larger project on beetle pulling strength (by Barrett Attarha) and submitted for publication.