p7110077 underside of a swimming water scavenger beetle, tropisternus lateralis. delta, british columbia, canada cecp 2021

america animal aquatic arthropod arthropoda beetle british brown bug canada close closeup coleoptera columbia creek detail diving fauna freshwater grazing hydrophilidae insect insecta invertebrate lake lateralis macro natural nature north photography pond pretty river scavenger spring states stream submerged summer swamp swimming tropisternus united water white wild