Jan Hamrsky:
Lesser silver water beetle (Hydrochara caraboides), the air supply is held by small hairs on its underside
Jan Hamrsky:
Lesser silver water beetle (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle (Hydrochara caraboides), with bubble of air on its underside
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides)
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) pulling its prey out of the water to immobilize it
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) pulling its prey out of the water to immobilize it
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) pulling its prey out of the water to immobilize it
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) pulling its prey out of the water to immobilize it
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) with Backswimmer nymph prey
Jan Hamrsky:
Lesser silver water beetle larva (Hydrochara caraboides) with Backswimmer nymph prey
Jan Hamrsky:
Water scavenger beetle (Spercheus emarginatus)
Jan Hamrsky:
Water scavenger beetle (Spercheus emarginatus)
Jan Hamrsky:
Water scavenger beetle (Spercheus emarginatus) in the colony of freshwater Bryozoan (Plumatella repens)
Jan Hamrsky:
Water scavenger beetle (Spercheus emarginatus)
Jan Hamrsky:
Water scavenger beetle (Spercheus emarginatus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus) using its antenna to break the water tension and replenish the air store.
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus) using its antenna to break the water tension and replenish the air store.
Jan Hamrsky:
Great silver water beetle (Hydrophilus piceus)
Jan Hamrsky:
Water scavenger beetle (Helochares obscurus) female with eggs swimming by the water surface.
