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

Amercaenis ridens Small Squaregill Mayflies

Taxa Hierarchy
Phylum
Arthropoda
Class
Insecta
Order
Ephemeroptera
Family
Caenidae
Genus
Amercaenis
Species
ridens
ITIS Links
TSN
Parent TSN
Metric Values
Tolerance
5.0
FFG
Filterer
Habit
Unidentified
CW Ind
False
Assessment Program Statistics
Total Individuals Collected
1,587
Number of Unique Sites Collected
66

Taxa Distribution Map