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 6/27/2019
Updated by: Jacob L. Heller, MD, MHA, Emergency Medicine, Emeritus, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.