Jan Hamrsky:
Lesser diving beetle (Acilius sulcatus)
Jan Hamrsky:
Lesser diving beetle (Acilius sulcatus)
Jan Hamrsky:
Lesser diving beetle (Acilius sulcatus)
Jan Hamrsky:
Lesser diving beetle (Acilius sulcatus)
Jan Hamrsky:
Lesser diving beetle (Dytiscidae, Acilius sulcatus), male
Jan Hamrsky:
Lesser diving beetles (Acilius sulcatus), mating
Jan Hamrsky:
Lesser diving beetles (Dytiscidae, Acilius sulcatus), mating
Jan Hamrsky:
Lesser diving beetles (Acilius sulcatus), mating
Jan Hamrsky:
Lesser diving beetles (Acilius sulcatus), mating
Jan Hamrsky:
Lesser diving beetles (Dytiscidae, Acilius sulcatus), mating
Jan Hamrsky:
Lesser diving beetle (Dytiscidae, Acilius sulcatus), tip of abdomen detail
Jan Hamrsky:
Lesser diving beetle (Acilius sulcatus)