Insect bites may be grouped, raised (papular), hive-like (urticarial), and have a surrounding halo (bull's eye). Occasionally a central depression, or punctum, can be seen.
Review Date 11/13/2021
Updated by: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.