BioNet

River & Stream Biological Monitoring

Fish and Benthic Macroinvertebrate Surveys

Physical Habitat Assessments

Helichus striatus Long-Toed Water Beetles

Photo by <a href="http://www.shl.uiowa.edu" rel="nofollow">State Hygienic Laboratory</a> Limnology

Photo by State Hygienic Laboratory

Taxa Hierarchy

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Dryopidae

Genus

Helichus

Species

striatus

ITIS Links

TSN

114017

Parent TSN

114006

Metric Values

Tolerance

5.0

FFG

Scraper

Habit

Unidentified

CW Ind

False

Assessment Program Statistics

Total Individuals Collected

3,531

Number of Unique Sites Collected

465

Taxa Distribution Map