Will Watson / Female Great diving beetle (Dytiscus circumflexus) at surface to breath, UK, captive.
01460657
Will Watson / Female Great diving beetle (Dytiscus circumflexus) view of underside with cloacal sperm plug from previous mating, UK, captive.
01460687
Will Watson / Female Great diving beetle (Dytiscus circumflexus), resting on Hornwort, captive, UK.
01460656
Will Watson / Female Great diving beetle (Dytiscus circumflexus), resting on Hornwort, UK, captive.
01317530
Will Watson / Great Diving Beetle (Dytiscus marginalis) trying to couple with Great Diving Beetle (Dytiscus circumflexus) in an interspecies mating attempt, Herefordshire, UK.
01317525
Will Watson / Great diving beetle (Dytiscus circumflexus) larva feeding on Common Frog (Rana temporaria) tadpole, captive, Herefordshire, UK.
01317527
Will Watson / Great diving beetle (Dytiscus circumflexus) on Soft Hornwort (Ceratophyllum submersum) in pond, captive, UK.
01317529
Will Watson / Two female Great diving beetles (Dytiscus circumflexus) on Soft Hornwort (Certophyllum submersum) in pond, captive, Shropshire, UK.
01317528
Will Watson / The underside of Great diving beetle (Dytiscus circumflexus) on Soft Hornwort (Ceratophyllum submersum) in pond, captive, UK.
01317526
Will Watson / Great Diving beetle (Dytiscus circumflexus) on Soft Hornwort (Ceratophyllum submersum) in pond, captive, UK.
01286846
Robert Thompson / Diving beetle (Dytiscus circumcintus) underwater, Montiaghs Moss NNR, County Antrim, Northern Ireland, UK
01286845
Robert Thompson / Diving beetle (Dytiscus circumcintus) underwater, Montiaghs Moss NNR, County Antrim, Northern Ireland, UK
01229980
Will Watson / The Wasp diving beetle (Dytiscus circmflexus) taking air, captive, England
01229979
Will Watson / The Wasp diving beetle (Dytiscus circmflexus) captive, England
01229978
Will Watson / The Wasp diving beetle (Dytiscus circumflexus) female resting on surface displaying wasp-coloured segments on the underside and longitudinal grooves on the wing case, captive, England.
