Jan Hamrsky:
Lesser diving beetle larva (Acilius sp.)
Jan Hamrsky:
Diving beetle (Laccophilus hyalinus)
Jan Hamrsky:
Diving beetle (Laccophilus hyalinus)
Jan Hamrsky:
Diving beetle (Laccophilus hyalinus)
Jan Hamrsky:
Diving beetle (Laccophilus hyalinus)
Jan Hamrsky:
Diving beetle (Platambus maculatus)
Jan Hamrsky:
Diving beetle (Platambus maculatus)
Jan Hamrsky:
Diving beetle (Cybister lateralimarginalis)
Jan Hamrsky:
Diving beetle (Hyphydrus ovatus) holding on a leg of much larger diving beetle (Colymbetes fuscus). Both are members of family Dytiscidae.
Jan Hamrsky:
Diving beetle (Colymbetes fuscus)
Jan Hamrsky:
Diving beetle (Platambus maculatus). Beetles often expose a bubble of air in order to gather molecules of oxygen from the surrounding water. Their air store must be refilled time to time, nevertheless this behavior increases the capacity of stored oxygen.
Jan Hamrsky:
Diving beetle (Platambus maculatus)
Jan Hamrsky:
Diving beetle (Platambus maculatus)
Jan Hamrsky:
Diving beetle larva (Cybister lateralimarginalis)
Jan Hamrsky:
Diving beetle larva (Cybister lateralimarginalis)
Jan Hamrsky:
Diving beetle larva (Cybister lateralimarginalis)
Jan Hamrsky:
Diving beetle (Cybister lateralimarginalis) male.
Jan Hamrsky:
Diving beetle larva (Graphoderus sp.)
Jan Hamrsky:
Diving beetle (Platambus maculatus)
Jan Hamrsky:
Diving beetle (Hyphydrus ovatus) cracking on a stem of aquatic plant.
Jan Hamrsky:
Diving beetle larva (Hyphydrus ovatus)
Jan Hamrsky:
Diving beetle (Colymbetes fuscus) resting by the water surface.
Jan Hamrsky:
Diving beetle (Agabus sp.)
Jan Hamrsky:
Diving beetle (Agabus sp.)
Jan Hamrsky:
Diving beetle (Agabus sp.)
Jan Hamrsky:
Diving beetles (Agabus sp.)
Jan Hamrsky:
Diving beetle (Agabus sp.)
Jan Hamrsky:
Diving beetle (Agabus sp.)
Jan Hamrsky:
Diving beetle (Colymbetes fuscus)
Jan Hamrsky:
Diving beetle (Colymbetes fuscus)
