BioNet

River & Stream Biological Monitoring

Fish and Benthic Macroinvertebrate Surveys

Physical Habitat Assessments

Maccaffertium vicarium Flatheaded Mayflies

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

Ephemeroptera

Family

Heptageniidae

Genus

Maccaffertium

Species

vicarium

ITIS Links

TSN

100548

Parent TSN

100507

Metric Values

Tolerance

2.0

FFG

Scraper

Habit

Unidentified

CW Ind

False

Assessment Program Statistics

Total Individuals Collected

1,948

Number of Unique Sites Collected

86

Taxa Distribution Map