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

Upper Iowa River Dorchester

Invert Sampling Session #10893

Session Data

Sample Date
7/31/2024
Sampling Gear
Hess
Lab ID Number
2473600
Sample Quality
Good
Created Date
11/28/2024 6:19:20 AM
Last Update
1/29/2025 8:12:28 AM

Semi-Quantitative Sampling

Replicate Number
3
Dominant Form Periphyton
Filamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MH
Sedimentation/Embededness
MD
Colonization
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 20
  • Total individuals collected 102
Scientific Name Order Family Common Name # Collected
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 1
Ceratopsyche alternans Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 5
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 6
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 17
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 4
Corydalus Megaloptera Corydalidae Dobsonflies, Fishflies, Hellgrammites 2
Hydropsyche placoda Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Hydropsychidae Trichoptera Hydropsychidae Common Netspinner Caddisflies 2
Isonychia Ephemeroptera Isonychiidae Brushlegged Mayflies 4
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Oligochaeta Aquatic Worms 3
Plauditus dubius Ephemeroptera Baetidae Small Minnow Mayflies 3
Plauditus punctiventris/virilis Ephemeroptera Baetidae Small Minnow Mayflies 3
Simulium Diptera Simuliidae Black Flies 32
Stenelmis Coleoptera Elmidae Riffle Beetles 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 10
Trombidiformes Trombidiformes Water Mites 1

= Excluded from taxa count metrics

Notes: