Solvin Zankl / Lars Hendrickson watching Black piston water beetles (Hydrophilus aterrimus) feeding on a tadpole, State Collection in Munich, Germany, June
01531479
Jan Hamrsky / Water scavenger beetles (Helochares obscurus), Europe, May. Controlled conditions.
01531478
Jan Hamrsky / Water scavenger beetle (Helochares obscurus) female with air bubble around body, Europe, May. Controlled conditions.
01531485
Jan Hamrsky / Water scavenger beetle larva (Hydrophilidae) on Horsetail (Equisetum sp) Europe, May. Controlled conditions.
01531484
Jan Hamrsky / Water scavenger beetle larva (Hydrophilidae) swimming in water column, Europe, May. Controlled conditions.
01531469
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.
01531468
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, refilling its air store at water surface, Europe, May. Controlled conditions.
01531467
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, refilling its air store at water surface, Europe, May. Controlled conditions.
01531466
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.