This might be one of our monarch caterpillars all grown up! Typically, it goes from egg to adult in just 30 days. Good luck on your journey! Thank you to the Friends of the Upper Mississippi for the pollinator garden here at the Midwest Fisheries Center. If anyone would like a tour of the Midwest Fisheries Center, including the pollinator garden, please contact Gretchen Newberry at Gretchen_Newberry@fws.gov , 608-783-8455.