Helichus striatus is a species of long-toed water beetle in the family Dryopidae. It is found on debris and under rocks in cool streams from South Carolina to Quebec, and west to California and British Columbia.
These two subspecies belong to the species Helichus striatus:
<small>Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net</small>