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

Upper Iowa River Dorchester

Invert Sampling Session #10891

Session Data

Sample Date
7/31/2024
Sampling Gear
Hess
Lab ID Number
2473598
Sample Quality
Good
Created Date
11/28/2024 6:19:20 AM
Last Update
1/29/2025 8:11:50 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 20
  • Total individuals collected 97
Scientific Name Order Family Common Name # Collected
Caenidae Ephemeroptera Caenidae Small Squaregill Mayflies 1
Ceratopsyche alternans Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 8
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 9
Heptageniidae Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 1
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 2
Leucrocuta Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 2
Nematoda Nematodes 1
Oligochaeta Aquatic Worms 1
Plauditus dubius Ephemeroptera Baetidae Small Minnow Mayflies 6
Plauditus punctiventris/virilis Ephemeroptera Baetidae Small Minnow Mayflies 5
Simulium Diptera Simuliidae Black Flies 37
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 4
Trombidiformes Trombidiformes Water Mites 1

= Excluded from taxa count metrics

Notes: