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

Upper Iowa River Dorchester

Invert Sampling Session #10892

Session Data

Sample Date
7/31/2024
Sampling Gear
Hess
Lab ID Number
2473599
Sample Quality
Good
Created Date
11/28/2024 6:19:20 AM
Last Update
1/29/2025 8:12:10 AM

Semi-Quantitative Sampling

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

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 21
  • Total individuals collected 101
Scientific Name Order Family Common Name # Collected
Acentrella parvula Ephemeroptera Baetidae Small Minnow Mayflies 1
Ceratopsyche alternans Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Ceratopsyche bronta Trichoptera Hydropsychidae Common Netspinner Caddisflies 4
Ceratopsyche morosa Trichoptera Hydropsychidae Common Netspinner Caddisflies 7
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 7
Hydropsyche placoda Trichoptera Hydropsychidae Common Netspinner Caddisflies 3
Leucrocuta Ephemeroptera Heptageniidae Flatheaded Mayflies 10
Maccaffertium exiguum Ephemeroptera Heptageniidae Flatheaded Mayflies 3
Maccaffertium mediopunctatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Maccaffertium terminatum Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Nematoda Nematodes 1
Nixe Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Nixe perfida Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Plauditus dubius Ephemeroptera Baetidae Small Minnow Mayflies 11
Plauditus punctiventris/virilis Ephemeroptera Baetidae Small Minnow Mayflies 6
Potamyia flava Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Rhithrogena jejuna Ephemeroptera Heptageniidae Flatheaded Mayflies 1
Simulium Diptera Simuliidae Black Flies 35
Stenelmis musgravei Coleoptera Elmidae Riffle Beetles 1
Tricorythodes Ephemeroptera Leptohyphidae Little Stout Crawler Mayflies 2

= Excluded from taxa count metrics

Notes: