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

East Nodaway River Hawleyville

Invert Sampling Session #11617

Session Data

Sample Date
8/19/2025
Sampling Gear
Surber
Lab ID Number
2702531
Sample Quality
Good
Created Date
2/11/2026 1:56:00 PM
Last Update
3/23/2026 9:51:42 AM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MD
Sedimentation/Embededness
MH
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 16
  • Total individuals collected 114
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 1
Baetidae Ephemeroptera Baetidae Small Minnow Mayflies 2
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 2
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 50
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 4
Fallceon quilleri Ephemeroptera Baetidae Small Minnow Mayflies 1
Helicopsyche borealis Trichoptera Helicopsychidae Snailcase Maker Caddisflies 5
Hydrachnidae Trombidiformes Hydrachnidae Water Mites 2
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 12
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 20
Lepidoptera Lepidoptera Moths, Butterflies 1
Oligochaeta Aquatic Worms 1
Sphaeriidae Veneroida Sphaeriidae Fingernail clams 2
Stenelmis Coleoptera Elmidae Riffle Beetles 3
Stenelmis crenata Coleoptera Elmidae Riffle Beetles 2

= Excluded from taxa count metrics

Notes: