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    • water scavenger beetle
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Diving beetle larva (Hyphydrus ovatus), Europe, June. Controlled conditions.
01531492
Jan Hamrsky / Diving beetle larva (Hyphydrus ovatus), Europe, June. Controlled conditions.
Water scavenger beetles (Helochares obscurus), Europe, May. Controlled conditions.
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Jan Hamrsky / Water scavenger beetles (Helochares obscurus), Europe, May. Controlled conditions.
Water scavenger beetle (Helochares obscurus) female with air bubble around body, Europe, May. Controlled conditions.
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Jan Hamrsky / Water scavenger beetle (Helochares obscurus) female with air bubble around body, Europe, May. Controlled conditions.
Water scavenger beetle larva (Hydrophilidae) on Horsetail (Equisetum sp) Europe, May. Controlled conditions.
01531485
Jan Hamrsky / Water scavenger beetle larva (Hydrophilidae) on Horsetail (Equisetum sp) Europe, May. Controlled conditions.
Water scavenger beetle larva (Hydrophilidae) swimming in water column, Europe, May. Controlled conditions.
01531484
Jan Hamrsky / Water scavenger beetle larva (Hydrophilidae) swimming in water column, Europe, May. Controlled conditions.
Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.
01531469
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.
Great silver water beetle (Hydrophilus piceus) female, refilling its air store at water surface, 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.
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.
Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.
01531466
Jan Hamrsky / Great silver water beetle (Hydrophilus piceus) female, Europe, May. Controlled conditions.
Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
01527453
Will Watson / Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
01527452
Will Watson / Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
01527451
Will Watson / Lesser silver diving beetle (Hydrochara caraboides), captive, Cheshire, England, UK, July.
The Cherrystone Beetle (Hyphydrus ovatus) resting on Hornwort (Ceratophyllum demersum) Herefordshire, England. Captive.
01504013
Will Watson / The Cherrystone Beetle (Hyphydrus ovatus) resting on Hornwort (Ceratophyllum demersum) Herefordshire, England. Captive.
Water scavenger beetle (Spercheus emarginatus) Europe, July, controlled conditions
01458355
Jan Hamrsky / Water scavenger beetle (Spercheus emarginatus) Europe, July, controlled conditions
Lesser silver water beetle larva (Hydrochara caraboides) Europe, June, controlled conditions
01458346
Jan Hamrsky / Lesser silver water beetle larva (Hydrochara caraboides) Europe, June, controlled conditions
Lesser silver water beetle larva (Hydrochara caraboides) breathing by the surface, Europe, June, controlled conditions
01458345
Jan Hamrsky / Lesser silver water beetle larva (Hydrochara caraboides) breathing by the surface, Europe, June, controlled conditions
Lesser silver water beetle (Hydrochara caraboides) with bubble of air on its underside, Europe, June, controlled conditions
01458342
Jan Hamrsky / Lesser silver water beetle (Hydrochara caraboides) with bubble of air on its underside, Europe, June, controlled conditions
Lesser silver water beetle larva (Hydrochara caraboides) pushing its prey out of the water to immobilize it, Europe, June, controlled conditions
01458341
Jan Hamrsky / Lesser silver water beetle larva (Hydrochara caraboides) pushing its prey out of the water to immobilize it, Europe, June, controlled conditions
Lesser silver water beetle larva (Hydrochara caraboides) with Backswimmer nymph prey, Europe, June, controlled conditions
01458340
Jan Hamrsky / Lesser silver water beetle larva (Hydrochara caraboides) with Backswimmer nymph prey, Europe, June, controlled conditions
Lesser silver water beetle larva (Hydrochara caraboides) head detail, Europe, June, controlled conditions
01458339
Jan Hamrsky / Lesser silver water beetle larva (Hydrochara caraboides) head detail, Europe, June, controlled conditions
Diving beetle larvae (Hyphydrus ovatus) Europe, July, controlled conditions
01432033
Jan Hamrsky / Diving beetle larvae (Hyphydrus ovatus) Europe, July, controlled conditions
Diving beetle larva (Hyphydrus ovatus) Europe, July, controlled conditions
01432032
Jan Hamrsky / Diving beetle larva (Hyphydrus ovatus) Europe, July, controlled conditions
Diving beetle larva (Hyphydrus ovatus) Europe, July, controlled conditions
01432031
Jan Hamrsky / Diving beetle larva (Hyphydrus ovatus) Europe, July, controlled conditions
Entomologist looking at pinned Water scavenger beetle (Hydrophilus spp) specimens in collection. Nature Museum Brabant, Tilburg, The Netherlands. 2019.
01661605
Edwin Giesbers / Entomologist looking at pinned Water scavenger beetle (Hydrophilus spp) specimens in collection. Nature Museum Brabant, Tilburg, The Netherlands. 2019.
Water scavenger beetle and larva (Hydrophilidae), Europe, May, controlled conditions
01648594
Jan Hamrsky / Water scavenger beetle and larva (Hydrophilidae), Europe, May, controlled conditions
Water scavenger beetle larva (Hydrophilidae), Europe, May, controlled conditions
01648593
Jan Hamrsky / Water scavenger beetle larva (Hydrophilidae), Europe, May, controlled conditions
Water scavenger beetle (Hydrophilidae) Europe, May, controlled conditions
01648592
Jan Hamrsky / Water scavenger beetle (Hydrophilidae) Europe, May, controlled conditions
Water scavenger beetle (Hydrophilidae) Europe, May, controlled conditions
01648591
Jan Hamrsky / Water scavenger beetle (Hydrophilidae) Europe, May, controlled conditions
Water scavenger beetles (Hydrophilidae) Europe, May, controlled conditions
01648590
Jan Hamrsky / Water scavenger beetles (Hydrophilidae) Europe, May, controlled conditions
Diving beetle (Hyphydrus ovatus) refilling its air store by the surface, Europe, July, controlled conditions
01648565
Jan Hamrsky / Diving beetle (Hyphydrus ovatus) refilling its air store by the surface, Europe, July, controlled conditions
Diving beetle (Hyphydrus ovatus), Europe, July, controlled conditions
01648564
Jan Hamrsky / Diving beetle (Hyphydrus ovatus), Europe, July, controlled conditions
Diving beetle (Hyphydrus ovatus), Europe, July, controlled conditions
01648563
Jan Hamrsky / Diving beetle (Hyphydrus ovatus), Europe, July, controlled conditions
Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
01648562
Jan Hamrsky / Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
01648561
Jan Hamrsky / Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
01648560
Jan Hamrsky / Crawling water beetle (Berosus signaticollis), Europe, May, controlled conditions
Scavenger water beetle (Hydrophilius aterrimus)m among Water Violet (Hottonia palustris), Shatsky National Natural Park, Ukraine, controlled conditons, May.
01637906
Will Watson / Scavenger water beetle (Hydrophilius aterrimus)m among Water Violet (Hottonia palustris), Shatsky National Natural Park, Ukraine, controlled conditons, May.