Jan Hamrsky / Great diving beetle (Dytiscus marginalis) portrait, Europe, September, controlled conditions
01385065
Jan Hamrsky / Great Diving Beetle (Dytiscus marginalis) larva feeding on small fish. Czech Republic. Controlled conditions.
01236845
Kim Taylor / Water beetles (Dytiscus marginalis) and (Acilius sulcatus) clustered around an air bubble trapped beneath the ice of a frozen pond, digitally enhanced, Surrey, England
01154095
Jane Burton / Great Diving Beetle {Dytiscus marginalis} female taking air at water surface, Surrey, England.
01590959
Will Watson / Head on view of Diving beetle (Cybister lateralimarginalis) resting among Bladderwort (Utricularia sp.) captive conditons, Belgium.
01585333
Robert Thompson / Great diving beetle (Dytiscus marginalis) larva, Montiaghs Moss NNR, County Antrim, Northern Ireland, UK.