Photo 73016686, (c) Mark Southerland, some rights reserved (CC BY-NC), uploaded by Mark Southerland

Attribution © Mark Southerland some rights reserved Uploaded by msoutherland Source iNaturalist Associated observations Photos / Sounds 2 photos What Median Predaceous Diving Beetle (Acilius mediatus) Observer msoutherland Date May 15, 2020 09:03 PM EDT Place Hickory Ridge, Columbia, MD 21044, USA (Google, OSM) Date Added May 16, 2020 01:29 AM UTC 2 IDs Research Grade View Sizes small medium large original