Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Optioservus fastiditus Riffle Beetles

Taxa Hierarchy
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Elmidae
Genus
Optioservus
Species
fastiditus
ITIS Links
TSN
Parent TSN
Metric Values
Tolerance
4.0
FFG
Scraper
Habit
Unidentified
CW Ind
False
Assessment Program Statistics
Total Individuals Collected
3,177
Number of Unique Sites Collected
158

Taxa Distribution Map