BioNet

River & Stream Biological Monitoring

Fish and Benthic Macroinvertebrate Surveys

Physical Habitat Assessments

Heptagenia flavescens Flatheaded Mayflies

Taxa Hierarchy

Phylum

Arthropoda

Class

Insecta

Order

Ephemeroptera

Family

Heptageniidae

Genus

Heptagenia

Species

flavescens

ITIS Links

TSN

100610

Parent TSN

100602

Metric Values

Tolerance

4.0

FFG

Scraper

Habit

Unidentified

CW Ind

False

Assessment Program Statistics

Total Individuals Collected

2,494

Number of Unique Sites Collected

179

Taxa Distribution Map