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

Walnut Creek Belle Plaine (REMAP #73)

Invert Sampling Session #10900

Session Data

Sample Date
8/14/2024
Sampling Gear
Artificial Substrate
Lab ID Number
2479654
Sample Quality
Good
Created Date
12/16/2024 7:12:27 AM
Last Update
1/27/2025 12:34:56 PM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
LT
Sedimentation/Embededness
MD
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 18
  • Total individuals collected 108
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 5
Baetis intercalaris Ephemeroptera Baetidae Small Minnow Mayflies 9
Caenis Ephemeroptera Caenidae Small Squaregill Mayflies 1
Caenis latipennis Ephemeroptera Caenidae Small Squaregill Mayflies 2
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 27
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 30
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 1
Girardia Tricladida Dugesiidae Flatworms 4
Hydropsyche simulans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 9
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 10
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 1
Polycentropodidae Trichoptera Polycentropodidae Trumpetnet and Tubemaking Caddisflies 1
Stenacron interpunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Trombidiformes Trombidiformes Water Mites 1

= Excluded from taxa count metrics

Notes: