p7080046 dorsal view of an aquatic grousewinged backswimmer notonecta undulata perched on a submerged stick. delta, british

america animal aquatic arthropod arthropoda backswimmer british bug canada close closeup columbia creek detail eyes fauna freshwater green grousewinged hemiptera insect insecta invertebrate lake macro natural nature north notonecta notonectidae photography pond predator predatory pretty red river spring states stream submerged summer swamp swimming undulata united wild