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

Sperchopsis tessellata Giant Water Scavenger Beetles

Taxa Hierarchy
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Hydrophilidae
Genus
Sperchopsis
Species
tessellata
ITIS Links
TSN
Parent TSN
Metric Values
Tolerance
6.5
FFG
Predator
Habit
Climber
CW Ind
False
Assessment Program Statistics
Total Individuals Collected
239
Number of Unique Sites Collected
94

Taxa Distribution Map