p6270031 aquatic water tiger, the larva of a predaceous diving beetle dytiscidae species on white. delta, british

america animal aquatic arthropod arthropoda beetle beetles british brown bug canada close closeup coleoptera columbia creek detail diving dytiscidae fauna freshwater insect insecta invertebrate lake macro natural nature north photography pond predaceous predator predatory pretty river spring states stream submerged summer swamp swimming tiger united water white wild