Note: These Challenge Questions coincide with the Spring 2005 Reports Challenge Question #14 From: Journey North <ehoward@journeynorth.org> Date: Mon Apr 25 2005 - 16:33:02 EDT X-Mailer: QUALCOMM Windows Eudora Version 6.1.1.1 I think that the picture tactile setae on the abdomen. These hairs are attached to nerve cells which relay informationabout the butterflies movement.  Thanks, Madison P. Received on Mon Apr 25 16:33:10 2005 Copyright 2004 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to jn-help@learner.org